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Comparing deliantra/server/common/object.C (file contents):
Revision 1.214 by root, Tue Apr 22 07:01:46 2008 UTC vs.
Revision 1.368 by root, Wed Dec 5 19:03:26 2018 UTC

1	/*	1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
		4	* Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	5	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	6	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	7	* Copyright (©) 1992 Frank Tore Johansen
7	*	8	*
8	* Deliantra is free software: you can redistribute it and/or modify	9	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	10	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	11	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	12	* option) any later version.
12	*	13	*
13	* This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	17	* GNU General Public License for more details.
17	*	18	*
18	* You should have received a copy of the GNU General Public License	19	* You should have received a copy of the Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	20	* and the GNU General Public License along with this program. If not, see
		21	* <http://www.gnu.org/licenses/>.
20	*	22	*
21	* The authors can be reached via e-mail to <support@deliantra.net>	23	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	24	*/
23		25
24	#include <global.h>	26	#include <global.h>
25	#include <stdio.h>	27	#include <stdio.h>
26	#include <sys/types.h>	28	#include <sys/types.h>
27	#include <sys/uio.h>	29	#include <sys/uio.h>
28	#include <object.h>	30	#include <object.h>
29	#include <sproto.h>	31	#include <sproto.h>
30	#include <loader.h>
31		32
32	#include <bitset>	33	#include <bitset>
33		34
34	UUID UUID::cur;	35	UUID UUID::cur;
35	static uint64_t seq_next_save;	36	static uint64_t seq_next_save;
36	static const uint64 UUID_GAP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
37		39
38	objectvec objects;	40	objectvec objects;
39	activevec actives;	41	activevec actives;
40		42
		43	freelist_item *object::freelist;
		44	uint32_t object::object_count;
		45	uint32_t object::free_count;
		46	uint32_t object::create_count;
		47	uint32_t object::destroy_count;
		48
		49	//+GPL
		50
41	short freearr_x[SIZEOFFREE] = {	51	int freearr_x[SIZEOFFREE] = {
42	0,	52	0,
43	0, 1, 1, 1, 0, -1, -1, -1,	53	0, 1, 1, 1, 0, -1, -1, -1,
44	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	54	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
45	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	55	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
46	};	56	};
47	short freearr_y[SIZEOFFREE] = {	57	int freearr_y[SIZEOFFREE] = {
48	0,	58	0,
49	-1, -1, 0, 1, 1, 1, 0, -1,	59	-1, -1, 0, 1, 1, 1, 0, -1,
50	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	60	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
51	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	61	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
52	};
53	int maxfree[SIZEOFFREE] = {
54	0,
55	9, 10, 13, 14, 17, 18, 21, 22,
56	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
57	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
58	};	62	};
59	int freedir[SIZEOFFREE] = {	63	int freedir[SIZEOFFREE] = {
60	0,	64	0,
61	1, 2, 3, 4, 5, 6, 7, 8,	65	1, 2, 3, 4, 5, 6, 7, 8,
62	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	66	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
63	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	67	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
64	};	68	};
65		69
		70	static int maxfree[SIZEOFFREE] = {
		71	0,
		72	9, 10, 13, 14, 17, 18, 21, 22,
		73	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		74	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		75	};
		76
		77	const char *wall_suffix[16] = {
		78	"0",
		79	"1_3",
		80	"1_4",
		81	"2_1_2",
		82	"1_2",
		83	"2_2_4",
		84	"2_2_1",
		85	"3_1",
		86	"1_1",
		87	"2_2_3",
		88	"2_2_2",
		89	"3_3",
		90	"2_1_1",
		91	"3_4",
		92	"3_2",
		93	"4"
		94	};
		95
66	static void	96	static void
67	write_uuid (uval64 skip, bool sync)	97	write_uuid (uval64 skip, bool sync)
68	{	98	{
69	CALL_BEGIN (2);	99	CALL_BEGIN (2);
70	CALL_ARG_SV (newSVval64 (skip));	100	CALL_ARG_SV (newSVval64 (skip));
…		…
72	CALL_CALL ("cf::write_uuid", G_DISCARD);	102	CALL_CALL ("cf::write_uuid", G_DISCARD);
73	CALL_END;	103	CALL_END;
74	}	104	}
75		105
76	static void	106	static void
77	read_uuid (void)	107	read_uuid ()
78	{	108	{
79	char filename[MAX_BUF];	109	char filename[MAX_BUF];
80		110
81	sprintf (filename, "%s/uuid", settings.localdir);	111	sprintf (filename, "%s/uuid", settings.localdir);
82		112
…		…
96		126
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	127	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	128	_exit (1);
99	}	129	}
100		130
101	UUID::BUF buf;	131	char buf [UUID::MAX_LEN];
102	buf[0] = 0;	132	buf[0] = 0;
103	fgets (buf, sizeof (buf), fp);	133	fgets (buf, sizeof (buf), fp);
104		134
105	if (!UUID::cur.parse (buf))	135	if (!UUID::cur.parse (buf))
106	{	136	{
…		…
119	{	149	{
120	UUID uid;	150	UUID uid;
121		151
122	uid.seq = ++cur.seq;	152	uid.seq = ++cur.seq;
123		153
124	if (expect_false (cur.seq >= seq_next_save))	154	if (ecb_expect_false (cur.seq >= seq_next_save))
125	{	155	{
126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);	156	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
127	write_uuid (UUID_GAP, false);	157	write_uuid (UUID_GAP, false);
128	}	158	}
129		159
…		…
133		163
134	void	164	void
135	UUID::init ()	165	UUID::init ()
136	{	166	{
137	read_uuid ();	167	read_uuid ();
		168	}
		169
		170	bool
		171	UUID::parse (const char *s)
		172	{
		173	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		174	return false;
		175
		176	seq = 0;
		177
		178	while (*s != '>')
		179	{
		180	if (*s < '0')
		181	return false;
		182
		183	// this gives nice branchless code with gcc
		184	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		185	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		186
		187	seq = (seq << 4) | digit;
		188
		189	++s;
		190	}
		191
		192	return true;
		193	}
		194
		195	char *
		196	UUID::append (char *buf) const
		197	{
		198	*buf++ = '<';
		199	*buf++ = '1';
		200	*buf++ = '.';
		201
		202	uint64_t seq = this->seq;
		203	const int bits = 64;
		204	char nz = 0;
		205	static const char tohex [] = "0123456789abcdef";
		206
		207	// assert (len >= 3 + bits / 4 + 1 + 1);
		208	for (int i = bits / 4; --i; )
		209	{
		210	uint8_t digit = seq >> (bits - 4);
		211
		212	*buf = tohex [digit];
		213	nz |= digit;
		214	buf += nz ? 1 : 0;
		215	seq <<= 4;
		216	}
		217
		218	// last digit is special - always emit
		219	uint8_t digit = seq >> (bits - 4);
		220	*buf++ = tohex [digit];
		221
		222	*buf++ = '>';
		223
		224	return buf;
		225	}
		226
		227	char *
		228	UUID::c_str () const
		229	{
		230	static char buf [MAX_LEN];
		231	*append (buf) = 0;
		232	return buf;
138	}	233	}
139		234
140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	235	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
141	static bool	236	static bool
142	compare_ob_value_lists_one (const object *wants, const object *has)	237	compare_ob_value_lists_one (const object *wants, const object *has)
143	{	238	{
144	key_value *wants_field;
145
146	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	239	/* n-squared behaviour (see kv.get), but I'm hoping both
147	* objects with lists are rare, and lists stay short. If not, use a	240	* objects with lists are rare, and lists stay short. If not, use a
148	* different structure or at least keep the lists sorted...	241	* different structure or at least keep the lists sorted...
149	*/	242	*/
150		243
151	/* For each field in wants, */	244	/* For each field in wants, */
152	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	245	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
153	{	246	if (has->kv.get (kv->key) != kv->value)
154	key_value *has_field;	247	return false;
155
156	/* Look for a field in has with the same key. */
157	has_field = get_ob_key_link (has, wants_field->key);
158
159	if (!has_field)
160	return 0; /* No field with that name. */
161
162	/* Found the matching field. */
163	if (has_field->value != wants_field->value)
164	return 0; /* Values don't match, so this half of the comparison is false. */
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		248
169	/* If we get here, every field in wants has a matching field in has. */	249	/* If we get here, every field in wants has a matching field in has. */
170	return 1;	250	return true;
171	}	251	}
172		252
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	253	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static bool	254	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	255	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	256	{
177	/* However, there may be fields in has which aren't partnered in wants,	257	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	258	* so we need to run the comparison *twice*. :(
179	*/	259	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	260	return compare_ob_value_lists_one (ob1, ob2)
		261	&& compare_ob_value_lists_one (ob2, ob1);
181	}	262	}
182		263
183	/* Function examines the 2 objects given to it, and returns true if	264	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	265	* they can be merged together.
185	*	266	*
…		…
192	* Improvements made with merge: Better checking on potion, and also	273	* Improvements made with merge: Better checking on potion, and also
193	* check weight	274	* check weight
194	*/	275	*/
195	bool object::can_merge_slow (object *ob1, object *ob2)	276	bool object::can_merge_slow (object *ob1, object *ob2)
196	{	277	{
197	/* A couple quicksanity checks */	278	/* A couple quick sanity checks */
198	if (ob1 == ob2	279	if (ob1 == ob2
199	|| ob1->type != ob2->type	280	|| ob1->type != ob2->type
200	|| ob1->speed != ob2->speed
201	|| ob1->value != ob2->value	281	|| ob1->value != ob2->value
202	|| ob1->name != ob2->name)	282	|| ob1->name != ob2->name
		283	|| ob1->custom_name != ob2->custom_name
		284	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
203	return 0;	285	return 0;
204		286
205	/* Do not merge objects if nrof would overflow. First part checks	287	/* Do not merge objects if nrof would overflow, assume nrof
206	* for unsigned overflow (2c), second part checks whether the result	288	* is always 0 .. 2**31-1 */
207	* would fit into a 32 bit signed int, which is often used to hold	289	if (ob1->nrof > 0x7fffffff - ob2->nrof)
208	* nrof values.
209	*/
210	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
211	return 0;	290	return 0;
212		291
213	/* If the objects have been identified, set the BEEN_APPLIED flag.	292	/* If the objects have been identified, set the BEEN_APPLIED flag.
214	* This is to the comparison of the flags below will be OK. We	293	* This is to the comparison of the flags below will be OK. We
215	* just can't ignore the been applied or identified flags, as they	294	* just can't ignore the been applied or identified flags, as they
216	* are not equal - just if it has been identified, the been_applied	295	* are not equal - just if it has been identified, the been_applied
217	* flags lose any meaning.	296	* flags lose any meaning.
218	*/	297	*/
219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	298	if (ob1->flag [FLAG_IDENTIFIED])
220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	299	ob1->set_flag (FLAG_BEEN_APPLIED);
221		300
222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	301	if (ob2->flag [FLAG_IDENTIFIED])
223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	302	ob2->set_flag (FLAG_BEEN_APPLIED);
224		303
225	if (ob1->arch->name != ob2->arch->name	304	if (ob1->arch->archname != ob2->arch->archname
226	|| ob1->name != ob2->name	305	|| ob1->name != ob2->name
227	|| ob1->title != ob2->title	306	|| ob1->title != ob2->title
228	|| ob1->msg != ob2->msg	307	|| ob1->msg != ob2->msg
229	|| ob1->weight != ob2->weight	308	|| ob1->weight != ob2->weight
230	|| ob1->attacktype != ob2->attacktype	309	|| ob1->attacktype != ob2->attacktype
231	|| ob1->magic != ob2->magic	310	|| ob1->magic != ob2->magic
232	|| ob1->slaying != ob2->slaying	311	|| ob1->slaying != ob2->slaying
233	|| ob1->skill != ob2->skill	312	|| ob1->skill != ob2->skill
234	|| ob1->value != ob2->value	313	|| ob1->value != ob2->value
235	|| ob1->animation_id != ob2->animation_id	314	|| ob1->animation_id != ob2->animation_id
		315	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
236	|| ob1->client_type != ob2->client_type	316	|| ob1->client_type != ob2->client_type
237	|| ob1->materialname != ob2->materialname	317	|| ob1->material != ob2->material
238	|| ob1->lore != ob2->lore	318	|| ob1->lore != ob2->lore
239	|| ob1->subtype != ob2->subtype	319	|| ob1->subtype != ob2->subtype
240	|| ob1->move_type != ob2->move_type	320	|| ob1->move_type != ob2->move_type
241	|| ob1->move_block != ob2->move_block	321	|| ob1->move_block != ob2->move_block
242	|| ob1->move_allow != ob2->move_allow	322	|| ob1->move_allow != ob2->move_allow
243	|| ob1->move_on != ob2->move_on	323	|| ob1->move_on != ob2->move_on
244	|| ob1->move_off != ob2->move_off	324	|| ob1->move_off != ob2->move_off
245	|| ob1->move_slow != ob2->move_slow	325	|| ob1->move_slow != ob2->move_slow
246	|| ob1->move_slow_penalty != ob2->move_slow_penalty	326	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
247	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))	327	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
248	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))	328	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
249	return 0;	329	return 0;
250		330
251	if ((ob1->flag ^ ob2->flag)	331	if ((ob1->flag ^ ob2->flag)
252	.reset (FLAG_INV_LOCKED)	332	.reset (FLAG_INV_LOCKED)
253	.reset (FLAG_CLIENT_SENT)
254	.reset (FLAG_REMOVED)	333	.reset (FLAG_REMOVED)
255	.any ())	334	.any ())
256	return 0;	335	return 0;
257		336
258	/* This is really a spellbook check - we should in general	337	/* This is really a spellbook check - we should in general
…		…
273	/* inventory ok - still need to check rest of this object to see	352	/* inventory ok - still need to check rest of this object to see
274	* if it is valid.	353	* if it is valid.
275	*/	354	*/
276	}	355	}
277		356
278	/* Don't merge objects that are applied. With the new 'body' code,	357	/* Don't merge objects that are applied. With the new 'body' code,
279	* it is possible for most any character to have more than one of	358	* it is possible for most any character to have more than one of
280	* some items equipped, and we don't want those to merge.	359	* some items equipped, and we don't want those to merge.
281	*/	360	*/
282	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	361	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
283	return 0;	362	return 0;
284		363
285	/* Note sure why the following is the case - either the object has to	364	/* Not sure why the following is the case - either the object has to
286	* be animated or have a very low speed. Is this an attempted monster	365	* be animated or have a very low speed. Is this an attempted monster
287	* check?	366	* check?
288	*/	367	*/
289	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	368	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
290	return 0;	369	return 0;
291		370
292	switch (ob1->type)	371	switch (ob1->type)
293	{	372	{
294	case SCROLL:	373	case SCROLL:
295	if (ob1->level != ob2->level)	374	if (ob1->level != ob2->level)
296	return 0;	375	return 0;
297	break;	376	break;
298	}	377	}
299		378
300	if (ob1->key_values || ob2->key_values)	379	if (!ob1->kv.empty () || !ob2->kv.empty ())
301	{	380	{
302	/* At least one of these has key_values. */	381	/* At least one of these has key_values. */
303	if ((!ob1->key_values) != (!ob2->key_values))	382	if (ob1->kv.empty () != ob2->kv.empty ())
304	return 0; /* One has fields, but the other one doesn't. */	383	return 0; /* One has fields, but the other one doesn't. */
305		384
306	if (!compare_ob_value_lists (ob1, ob2))	385	if (!compare_ob_value_lists (ob1, ob2))
307	return 0;	386	return 0;
308	}	387	}
…		…
334		413
335	// find player who can see this object	414	// find player who can see this object
336	object *	415	object *
337	object::visible_to () const	416	object::visible_to () const
338	{	417	{
339	if (!flag [FLAG_REMOVED])	418	if (client_visible () && !flag [FLAG_REMOVED])
340	{	419	{
341	// see if we are in a container of sorts	420	// see if we are in a container of sorts
342	if (env)	421	if (env)
343	{	422	{
344	// the player inventory itself is always visible	423	// the player inventory itself is always visible
345	if (env->type == PLAYER)	424	if (env->is_player ())
346	return env;	425	return env;
347		426
348	// else a player could have our env open	427	// else a player could have our env open
349	object *envest = env->outer_env ();	428	object *envest = env->outer_env_or_self ();
350		429
351	// the player itself is always on a map, so we will find him here	430	// the player itself is always on a map, so we will find him here
352	// even if our inv is in a player.	431	// even if our inv is in a player.
353	if (envest->is_on_map ())	432	if (envest->is_on_map ())
354	if (object *pl = envest->ms ().player ())	433	if (object *pl = envest->ms ().player ())
355	if (pl->container == env)	434	if (pl->container_ () == env)
356	return pl;	435	return pl;
357	}	436	}
358	else	437	else
359	{	438	{
360	// maybe there is a player standing on the same mapspace	439	// maybe there is a player standing on the same mapspace
361	// this will catch the case where "this" is a player	440	// this will catch the case where "this" is a player
362	if (object *pl = ms ().player ())	441	if (object *pl = ms ().player ())
		442	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		443	|| pl->container_ () == this)
363	return pl;	444	return pl;
364	}	445	}
365	}	446	}
366		447
367	return 0;	448	return 0;
368	}	449	}
369		450
370	// adjust weight per container type ("of holding")	451	// adjust weight per container type ("of holding")
371	static sint32	452	static weight_t
372	weight_adjust (object *op, sint32 weight)	453	weight_adjust_for (object *op, weight_t weight)
373	{	454	{
374	return op->type == CONTAINER	455	if (op->type == CONTAINER)
375	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)	456	weight -= weight * op->stats.Str / 100;
376	: weight;
377	}
378		457
		458	return weight;
		459	}
		460
379	/*	461	/*
380	* adjust_weight(object, weight) adds the specified weight to an object,	462	* subtracts, then adds, the specified weight to an object,
381	* and also updates how much the environment(s) is/are carrying.	463	* and also updates how much the environment(s) is/are carrying.
382	*/	464	*/
383	static void	465	static void
384	adjust_weight (object *op, sint32 weight)	466	adjust_weight (object *op, weight_t sub, weight_t add)
385	{	467	{
386	while (op)	468	while (op)
387	{	469	{
388	weight = weight_adjust (op, weight);	470	weight_t carrying = (weight_t)op->carrying
		471	- weight_adjust_for (op, sub)
		472	+ weight_adjust_for (op, add);
389		473
390	if (!weight)	474	sub = op->carrying;
391	return;
392
393	op->carrying += weight;	475	op->carrying = carrying;
		476	add = op->carrying;
394		477
395	if (object *pl = op->visible_to ())	478	if (object *pl = op->visible_to ())
		479	if (pl != op) // player is handled lazily
396	esrv_update_item (UPD_WEIGHT, pl, op);	480	esrv_update_item (UPD_WEIGHT, pl, op);
397		481
398	op = op->env;	482	op = op->env;
399	}	483	}
400	}	484	}
401		485
…		…
405	* containers are carrying, and sums it up.	489	* containers are carrying, and sums it up.
406	*/	490	*/
407	void	491	void
408	object::update_weight ()	492	object::update_weight ()
409	{	493	{
410	sint32 sum = 0;	494	weight_t sum = 0;
411		495
412	for (object *op = inv; op; op = op->below)	496	for (object *op = inv; op; op = op->below)
413	{	497	{
414	if (op->inv)
415	op->update_weight ();	498	op->update_weight ();
416		499
417	sum += op->total_weight ();	500	sum += weight_adjust_for (this, op->total_weight ());
418	}	501	}
419
420	sum = weight_adjust (this, sum);
421		502
422	if (sum != carrying)	503	if (sum != carrying)
423	{	504	{
		505	if (carrying != sum && carrying)//D
		506	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		507	(long long)sum, (long long)carrying, debug_desc ());
		508
424	carrying = sum;	509	carrying = sum;
425		510
426	if (object *pl = visible_to ())	511	if (object *pl = visible_to ())
		512	if (pl != this) // player is handled lazily
427	esrv_update_item (UPD_WEIGHT, pl, this);	513	esrv_update_item (UPD_WEIGHT, pl, this);
428	}	514	}
429	}	515	}
430		516
431	/*	517	/*
432	* Used by: Server DM commands: dumpbelow, dump. Some error messages.	518	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
…		…
440	object_freezer freezer;	526	object_freezer freezer;
441	op->write (freezer);	527	op->write (freezer);
442	return freezer.as_string ();	528	return freezer.as_string ();
443	}	529	}
444		530
445	/*	531	char *
446	* get_nearest_part(multi-object, object 2) returns the part of the	532	object::as_string ()
447	* multi-object 1 which is closest to the second object.
448	* If it's not a multi-object, it is returned.
449	*/
450	object *
451	get_nearest_part (object *op, const object *pl)
452	{	533	{
453	object *tmp, *closest;	534	return dump_object (this);
454	int last_dist, i;
455
456	if (!op->more)
457	return op;
458
459	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
460	tmp;
461	tmp = tmp->more)
462	if ((i = distance (tmp, pl)) < last_dist)
463	closest = tmp, last_dist = i;
464
465	return closest;
466	}	535	}
467		536
468	/*	537	/*
469	* Returns the object which has the count-variable equal to the argument.	538	* Returns the object which has the count-variable equal to the argument.
470	* VERRRY slow.	539	* VERRRY slow.
…		…
478		547
479	return 0;	548	return 0;
480	}	549	}
481		550
482	/*	551	/*
		552	* Returns the object which has the uuid equal to the argument.
		553	* MOAR VERRRY slow.
		554	*/
		555
		556	object *
		557	find_object_uuid (UUID i)
		558	{
		559	for_all_objects (op)
		560	if (op->uuid == i)
		561	return op;
		562
		563	return 0;
		564	}
		565
		566	/*
483	* Returns the first object which has a name equal to the argument.	567	* Returns the first object which has a name equal to the argument.
484	* Used only by the patch command, but not all that useful.	568	* Used only by the patch command, but not all that useful.
485	* Enables features like "patch <name-of-other-player> food 999"	569	* Enables features like "patch <name-of-other-player> food 999"
486	*/	570	*/
487	object *	571	object *
488	find_object_name (const char *str)	572	find_object_name (const char *str)
489	{	573	{
490	shstr_cmp str_ (str);	574	shstr_cmp str_ (str);
491	object *op;
492		575
		576	if (str_)
493	for_all_objects (op)	577	for_all_objects (op)
494	if (op->name == str_)	578	if (op->name == str_)
495	break;	579	return op;
496		580
497	return op;	581	return 0;
498	}	582	}
499		583
500	/*	584	/*
501	* Sets the owner and sets the skill and exp pointers to owner's current	585	* Sets the owner and sets the skill and exp pointers to owner's current
502	* skill and experience objects.	586	* skill and experience objects.
…		…
515	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());	599	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
516	return;	600	return;
517	}	601	}
518		602
519	this->owner = owner;	603	this->owner = owner;
520	}
521
522	int
523	object::slottype () const
524	{
525	if (type == SKILL)
526	{
527	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
528	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
529	}
530	else
531	{
532	if (slot [body_combat].info) return slot_combat;
533	if (slot [body_range ].info) return slot_ranged;
534	}
535
536	return slot_none;
537	}
538
539	bool
540	object::change_weapon (object *ob)
541	{
542	if (current_weapon == ob)
543	return true;
544
545	if (chosen_skill)
546	chosen_skill->flag [FLAG_APPLIED] = false;
547
548	current_weapon = ob;
549	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
550
551	if (chosen_skill)
552	chosen_skill->flag [FLAG_APPLIED] = true;
553
554	update_stats ();
555
556	if (ob)
557	{
558	// now check wether any body locations became invalid, in which case
559	// we cannot apply the weapon at the moment.
560	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
561	if (slot[i].used < 0)
562	{
563	current_weapon = chosen_skill = 0;
564	update_stats ();
565
566	new_draw_info_format (NDI_UNIQUE, 0, this,
567	"You try to balance all your items at once, "
568	"but the %s is just too much for your body. "
569	"[You need to unapply some items first.]", &ob->name);
570	return false;
571	}
572
573	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
574	}
575	else
576	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
577
578	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
579	{
580	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
581	&name, ob->debug_desc ());
582	return false;
583	}
584
585	return true;
586	}
587
588	/* Zero the key_values on op, decrementing the shared-string
589	* refcounts and freeing the links.
590	*/
591	static void
592	free_key_values (object *op)
593	{
594	for (key_value *i = op->key_values; i; )
595	{
596	key_value *next = i->next;
597	delete i;
598
599	i = next;
600	}
601
602	op->key_values = 0;
603	}
604
605	object &
606	object::operator =(const object &src)
607	{
608	bool is_freed = flag [FLAG_FREED];
609	bool is_removed = flag [FLAG_REMOVED];
610
611	*(object_copy *)this = src;
612
613	flag [FLAG_FREED] = is_freed;
614	flag [FLAG_REMOVED] = is_removed;
615
616	/* Copy over key_values, if any. */
617	if (src.key_values)
618	{
619	key_value *tail = 0;
620	key_values = 0;
621
622	for (key_value *i = src.key_values; i; i = i->next)
623	{
624	key_value *new_link = new key_value;
625
626	new_link->next = 0;
627	new_link->key = i->key;
628	new_link->value = i->value;
629
630	/* Try and be clever here, too. */
631	if (!key_values)
632	{
633	key_values = new_link;
634	tail = new_link;
635	}
636	else
637	{
638	tail->next = new_link;
639	tail = new_link;
640	}
641	}
642	}
643	}	604	}
644		605
645	/*	606	/*
646	* copy_to first frees everything allocated by the dst object,	607	* copy_to first frees everything allocated by the dst object,
647	* and then copies the contents of itself into the second	608	* and then copies the contents of itself into the second
…		…
651	* will point at garbage.	612	* will point at garbage.
652	*/	613	*/
653	void	614	void
654	object::copy_to (object *dst)	615	object::copy_to (object *dst)
655	{	616	{
656	*dst = *this;	617	dst->remove ();
		618	*(object_copy *)dst = *this;
657		619
658	if (speed < 0)	620	// maybe move to object_copy?
659	dst->speed_left -= rndm ();	621	dst->kv = kv;
660		622
661	dst->set_speed (dst->speed);	623	dst->flag [FLAG_REMOVED] = true;
		624	dst->activate ();
662	}	625	}
663		626
664	void	627	void
665	object::instantiate ()	628	object::instantiate ()
666	{	629	{
667	if (!uuid.seq) // HACK	630	if (!uuid.seq) // HACK
668	uuid = UUID::gen ();	631	uuid = UUID::gen ();
669		632
		633	// TODO: unclean state changes, should not be done in copy_to AND instantiate
		634	if (flag [FLAG_RANDOM_SPEED] && speed)
		635	speed_left = - speed - rndm (); // TODO animation
		636	else
670	speed_left = -0.1f;	637	speed_left = -1.;
		638
671	/* copy the body_info to the body_used - this is only really	639	/* copy the body_info to the body_used - this is only really
672	* need for monsters, but doesn't hurt to do it for everything.	640	* need for monsters, but doesn't hurt to do it for everything.
673	* by doing so, when a monster is created, it has good starting	641	* by doing so, when a monster is created, it has good starting
674	* values for the body_used info, so when items are created	642	* values for the body_used info, so when items are created
675	* for it, they can be properly equipped.	643	* for it, they can be properly equipped.
676	*/	644	*/
677	for (int i = NUM_BODY_LOCATIONS; i--; )	645	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
678	slot[i].used = slot[i].info;	646	slot[i].used = slot[i].info;
679		647
680	attachable::instantiate ();	648	attachable::instantiate ();
681	}	649	}
682		650
683	object *	651	object *
684	object::clone ()	652	object::clone ()
685	{	653	{
686	object *neu = create ();	654	object *neu = create ();
687	copy_to (neu);	655	copy_to (neu);
		656
		657	// TODO: unclean state changes, should not be done in clone AND instantiate
		658	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		659	neu->speed_left = - neu->speed - rndm (); // TODO animation
		660
		661	neu->map = map; // not copied by copy_to
688	return neu;	662	return neu;
		663	}
		664
		665	// update the anhimation frame of an object, but only if it has an animation
		666	// assigned and the frame number if within the animation.
		667	void object::update_anim_frame (int frame)
		668	{
		669	if (ecb_expect_false (!has_anim () || frame >= anim_frames ()))
		670	return;
		671
		672	set_anim_frame (frame);
		673	update_object (this, UP_OBJ_FACE);
689	}	674	}
690		675
691	/*	676	/*
692	* If an object with the IS_TURNABLE() flag needs to be turned due	677	* If an object with the IS_TURNABLE() flag needs to be turned due
693	* to the closest player being on the other side, this function can	678	* to the closest player being on the other side, this function can
694	* be called to update the face variable, _and_ how it looks on the map.	679	* be called to update the face variable, _and_ how it looks on the map.
695	*/	680	*/
696	void	681	void
697	update_turn_face (object *op)	682	update_turn_face (object *op)
698	{	683	{
699	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	684	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
700	return;	685	return;
701		686
702	SET_ANIMATION (op, op->direction);	687	op->update_anim_frame (op->direction);
703	update_object (op, UP_OBJ_FACE);
704	}	688	}
705		689
706	/*	690	/*
707	* Updates the speed of an object. If the speed changes from 0 to another	691	* Updates the speed of an object. If the speed changes from 0 to another
708	* value, or vice versa, then add/remove the object from the active list.	692	* value, or vice versa, then add/remove the object from the active list.
709	* This function needs to be called whenever the speed of an object changes.	693	* This function needs to be called whenever the speed of an object changes.
710	*/	694	*/
711	void	695	void
712	object::set_speed (float speed)	696	object::set_speed (float speed)
713	{	697	{
714	if (flag [FLAG_FREED] && speed)
715	{
716	LOG (llevError, "Object %s is freed but has speed.\n", &name);
717	speed = 0;
718	}
719
720	this->speed = speed;	698	this->speed = speed;
721		699
722	if (has_active_speed ())	700	if (has_active_speed ())
723	activate ();	701	activate ();
724	else	702	else
725	deactivate ();	703	deactivate ();
726	}	704	}
727		705
728	/*	706	/*
729	* update_object() updates the the map.	707	* update_object() updates the map.
730	* It takes into account invisible objects (and represent squares covered	708	* It takes into account invisible objects (and represent squares covered
731	* by invisible objects by whatever is below them (unless it's another	709	* by invisible objects by whatever is below them (unless it's another
732	* invisible object, etc...)	710	* invisible object, etc...)
733	* If the object being updated is beneath a player, the look-window	711	* If the object being updated is beneath a player, the look-window
734	* of that player is updated (this might be a suboptimal way of	712	* of that player is updated (this might be a suboptimal way of
…		…
743	* UP_OBJ_FACE: only the objects face has changed.	721	* UP_OBJ_FACE: only the objects face has changed.
744	*/	722	*/
745	void	723	void
746	update_object (object *op, int action)	724	update_object (object *op, int action)
747	{	725	{
748	if (op == NULL)	726	if (!op)
749	{	727	{
750	/* this should never happen */	728	/* this should never happen */
751	LOG (llevDebug, "update_object() called for NULL object.\n");	729	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
752	return;	730	return;
753	}	731	}
754		732
755	if (op->env)	733	if (!op->is_on_map ())
756	{	734	{
757	/* Animation is currently handled by client, so nothing	735	/* Animation is currently handled by client, so nothing
758	* to do in this case.	736	* to do in this case.
759	*/	737	*/
760	return;	738	return;
761	}	739	}
762
763	/* If the map is saving, don't do anything as everything is
764	* going to get freed anyways.
765	*/
766	if (!op->map || op->map->in_memory == MAP_SAVING)
767	return;
768		740
769	/* make sure the object is within map boundaries */	741	/* make sure the object is within map boundaries */
770	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	742	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
771	{	743	{
772	LOG (llevError, "update_object() called for object out of map!\n");	744	LOG (llevError, "update_object() called for object out of map!\n");
…		…
777	}	749	}
778		750
779	mapspace &m = op->ms ();	751	mapspace &m = op->ms ();
780		752
781	if (!(m.flags_ & P_UPTODATE))	753	if (!(m.flags_ & P_UPTODATE))
782	/* nop */;	754	m.update_up (); // nothing to do except copy up
783	else if (action == UP_OBJ_INSERT)	755	else if (action == UP_OBJ_INSERT)
784	{	756	{
		757	#if 0
785	// this is likely overkill, TODO: revisit (schmorp)	758	// this is likely overkill, TODO: revisit (schmorp)
786	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	759	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
787	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	760	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
788	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	761	|| (op->is_player () && !(m.flags_ & P_PLAYER))
789	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	762	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
790	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	763	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
791	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	764	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
792	|| (m.move_on | op->move_on ) != m.move_on	765	|| (m.move_on | op->move_on ) != m.move_on
793	|| (m.move_off | op->move_off ) != m.move_off	766	|| (m.move_off | op->move_off ) != m.move_off
794	|| (m.move_slow | op->move_slow) != m.move_slow	767	|| (m.move_slow | op->move_slow) != m.move_slow
795	/* This isn't perfect, but I don't expect a lot of objects to	768	/* This isn't perfect, but I don't expect a lot of objects to
796	* to have move_allow right now.	769	* have move_allow right now.
797	*/	770	*/
798	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	771	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		772	m.invalidate ();
		773	#else
799	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	774	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
800	m.flags_ = 0;	775	m.invalidate ();
		776	#endif
801	}	777	}
802	/* if the object is being removed, we can't make intelligent	778	/* if the object is being removed, we can't make intelligent
803	* decisions, because remove_ob can't really pass the object	779	* decisions, because remove_ob can't really pass the object
804	* that is being removed.	780	* that is being removed.
805	*/	781	*/
806	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	782	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
807	m.flags_ = 0;	783	m.invalidate ();
808	else if (action == UP_OBJ_FACE)	784	else if (action == UP_OBJ_FACE)
809	/* Nothing to do for that case */ ;	785	m.update_up (); // nothing to do for that case, except copy up
810	else	786	else
811	LOG (llevError, "update_object called with invalid action: %d\n", action);	787	LOG (llevError, "update_object called with invalid action: %d\n", action);
812		788
813	if (op->more)	789	if (op->more)
814	update_object (op->more, action);	790	update_object (op->more, action);
815	}	791	}
816		792
817	object::object ()	793	object::object ()
818	{	794	{
819	SET_FLAG (this, FLAG_REMOVED);	795	this->set_flag (FLAG_REMOVED);
820		796
821	expmul = 1.0;	797	//expmul = 1.0; declared const for the time being
822	face = blank_face;	798	face = blank_face;
		799	material = MATERIAL_NULL;
823	}	800	}
824		801
825	object::~object ()	802	object::~object ()
826	{	803	{
827	unlink ();	804	unlink ();
828		805
829	free_key_values (this);	806	kv.clear ();
830	}	807	}
831
832	static int object_count;
833		808
834	void object::link ()	809	void object::link ()
835	{	810	{
836	assert (!index);//D	811	assert (!index);//D
837	uuid = UUID::gen ();	812	uuid = UUID::gen ();
838	count = ++object_count;
839		813
840	refcnt_inc ();	814	refcnt_inc ();
841	objects.insert (this);	815	objects.insert (this);
		816
		817	++create_count;
		818
842	}	819	}
843		820
844	void object::unlink ()	821	void object::unlink ()
845	{	822	{
846	if (!index)	823	if (!index)
847	return;	824	return;
		825
		826	++destroy_count;
848		827
849	objects.erase (this);	828	objects.erase (this);
850	refcnt_dec ();	829	refcnt_dec ();
851	}	830	}
852		831
…		…
856	/* If already on active list, don't do anything */	835	/* If already on active list, don't do anything */
857	if (active)	836	if (active)
858	return;	837	return;
859		838
860	if (has_active_speed ())	839	if (has_active_speed ())
		840	{
		841	if (flag [FLAG_FREED])
		842	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		843
861	actives.insert (this);	844	actives.insert (this);
		845	}
862	}	846	}
863		847
864	void	848	void
865	object::activate_recursive ()	849	object::activate_recursive ()
866	{	850	{
…		…
870	op->activate_recursive ();	854	op->activate_recursive ();
871	}	855	}
872		856
873	/* This function removes object 'op' from the list of active	857	/* This function removes object 'op' from the list of active
874	* objects.	858	* objects.
875	* This should only be used for style maps or other such	859	* This should only be used for style maps or other such
876	* reference maps where you don't want an object that isn't	860	* reference maps where you don't want an object that isn't
877	* in play chewing up cpu time getting processed.	861	* in play chewing up cpu time getting processed.
878	* The reverse of this is to call update_ob_speed, which	862	* The reverse of this is to call update_ob_speed, which
879	* will do the right thing based on the speed of the object.	863	* will do the right thing based on the speed of the object.
880	*/	864	*/
…		…
915	object::destroy_inv (bool drop_to_ground)	899	object::destroy_inv (bool drop_to_ground)
916	{	900	{
917	// need to check first, because the checks below might segfault	901	// need to check first, because the checks below might segfault
918	// as we might be on an invalid mapspace and crossfire code	902	// as we might be on an invalid mapspace and crossfire code
919	// is too buggy to ensure that the inventory is empty.	903	// is too buggy to ensure that the inventory is empty.
920	// corollary: if you create arrows etc. with stuff in tis inventory,	904	// corollary: if you create arrows etc. with stuff in its inventory,
921	// cf will crash below with off-map x and y	905	// cf will crash below with off-map x and y
922	if (!inv)	906	if (!inv)
923	return;	907	return;
924		908
925	/* Only if the space blocks everything do we not process -	909	/* Only if the space blocks everything do we not process -
926	* if some form of movement is allowed, let objects	910	* if some form of movement is allowed, let objects
927	* drop on that space.	911	* drop on that space.
928	*/	912	*/
929	if (!drop_to_ground	913	if (!drop_to_ground
930	|| !map	914	|| !map
931	|| map->in_memory != MAP_ACTIVE	915	|| !map->linkable ()
932	|| map->nodrop	916	|| map->no_drop
933	|| ms ().move_block == MOVE_ALL)	917	|| ms ().move_block == MOVE_ALL)
934	{	918	{
935	while (inv)	919	while (inv)
936	{
937	inv->destroy_inv (drop_to_ground);
938	inv->destroy ();	920	inv->destroy ();
939	}
940	}	921	}
941	else	922	else
942	{ /* Put objects in inventory onto this space */	923	{ /* Put objects in inventory onto this space */
943	while (inv)	924	while (inv)
944	{	925	{
…		…
955	map->insert (op, x, y);	936	map->insert (op, x, y);
956	}	937	}
957	}	938	}
958	}	939	}
959		940
		941	/*
		942	* Remove and free all objects in the inventory of the given object.
		943	* Unlike destroy_inv, this assumes the *this is destroyed as well
		944	* well, so we can (and have to!) take shortcuts.
		945	*/
		946	void
		947	object::destroy_inv_fast ()
		948	{
		949	while (object *op = inv)
		950	{
		951	// remove from object the fast way
		952	op->flag [FLAG_REMOVED] = true;
		953	op->env = 0;
		954	if ((inv = inv->below))
		955	inv->above = 0;
		956
		957	// then destroy
		958	op->destroy ();
		959	}
		960	}
		961
		962	void
		963	object::freelist_free (int count)
		964	{
		965	while (count-- && freelist)
		966	{
		967	freelist_item *next = freelist->next;
		968	// count is being "destroyed"
		969
		970	sfree ((char *)freelist, sizeof (object));
		971
		972	freelist = next;
		973	--free_count;
		974	}
		975	}
		976
		977	object *
960	object *object::create ()	978	object::create ()
961	{	979	{
962	object *op = new object;	980	object *op;
		981
		982	if (freelist)
		983	{
		984	freelist_item li = *freelist;
		985	memset (freelist, 0, sizeof (object));
		986
		987	op = new (freelist) object;
		988	op->count = li.count;
		989
		990	freelist = li.next;
		991	--free_count;
		992	}
		993	else
		994	{
		995	void *ni = salloc0<char> (sizeof (object));
		996
		997	op = new(ni) object;
		998
		999	op->count = ++object_count;
		1000	}
		1001
963	op->link ();	1002	op->link ();
		1003
964	return op;	1004	return op;
965	}	1005	}
966		1006
967	void	1007	void
		1008	object::do_delete ()
		1009	{
		1010	uint32_t count = this->count;
		1011
		1012	this->~object ();
		1013
		1014	freelist_item *li = (freelist_item *)this;
		1015	li->next = freelist;
		1016	li->count = count;
		1017
		1018	freelist = li;
		1019	++free_count;
		1020	}
		1021
		1022	void
968	object::do_destroy ()	1023	object::do_destroy ()
969	{	1024	{
970	if (flag [FLAG_IS_LINKED])	1025	if (flag [FLAG_IS_LINKED])
971	remove_button_link (this);	1026	remove_link ();
972		1027
973	if (flag [FLAG_FRIENDLY])	1028	if (flag [FLAG_FRIENDLY])
974	remove_friendly_object (this);	1029	remove_friendly_object (this);
975		1030
976	remove ();	1031	remove ();
977		1032
978	attachable::do_destroy ();	1033	attachable::do_destroy ();
979		1034
980	destroy_inv (true);
981
982	deactivate ();	1035	deactivate ();
983	unlink ();	1036	unlink ();
984		1037
985	flag [FLAG_FREED] = 1;	1038	flag [FLAG_FREED] = 1;
986		1039
987	// hack to ensure that freed objects still have a valid map	1040	// hack to ensure that freed objects still have a valid map
988	{
989	static maptile *freed_map; // freed objects are moved here to avoid crashes
990
991	if (!freed_map)
992	{
993	freed_map = new maptile;
994
995	freed_map->path = "<freed objects map>";
996	freed_map->name = "/internal/freed_objects_map";
997	freed_map->width = 3;
998	freed_map->height = 3;
999	freed_map->nodrop = 1;
1000
1001	freed_map->alloc ();
1002	freed_map->in_memory = MAP_ACTIVE;
1003	}
1004
1005	map = freed_map;	1041	map = &freed_map;
1006	x = 1;	1042	x = 1;
1007	y = 1;	1043	y = 1;
1008	}
1009		1044
1010	if (more)	1045	if (more)
1011	{	1046	{
1012	more->destroy ();	1047	more->destroy ();
1013	more = 0;	1048	more = 0;
…		…
1021	attacked_by = 0;	1056	attacked_by = 0;
1022	current_weapon = 0;	1057	current_weapon = 0;
1023	}	1058	}
1024		1059
1025	void	1060	void
1026	object::destroy (bool destroy_inventory)	1061	object::destroy ()
1027	{	1062	{
1028	if (destroyed ())	1063	if (destroyed ())
1029	return;	1064	return;
1030		1065
1031	if (destroy_inventory)	1066	if (!is_head () && !head->destroyed ())
		1067	{
		1068	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1069	head->destroy ();
		1070	return;
		1071	}
		1072
1032	destroy_inv (false);	1073	destroy_inv_fast ();
1033		1074
1034	if (is_head ())	1075	if (is_head ())
1035	if (sound_destroy)	1076	if (sound_destroy)
1036	play_sound (sound_destroy);	1077	play_sound (sound_destroy);
1037	else if (flag [FLAG_MONSTER])	1078	else if (flag [FLAG_MONSTER])
…		…
1048	* the previous environment.	1089	* the previous environment.
1049	*/	1090	*/
1050	void	1091	void
1051	object::do_remove ()	1092	object::do_remove ()
1052	{	1093	{
1053	object *tmp, *last = 0;
1054	object *otmp;
1055
1056	if (flag [FLAG_REMOVED])	1094	if (flag [FLAG_REMOVED])
1057	return;	1095	return;
1058		1096
1059	INVOKE_OBJECT (REMOVE, this);	1097	INVOKE_OBJECT (REMOVE, this);
1060		1098
1061	if (object *pl = visible_to ())
1062	esrv_del_item (pl->contr, count);
1063
1064	flag [FLAG_REMOVED] = true;	1099	flag [FLAG_REMOVED] = true;
1065		1100
1066	if (more)	1101	if (more)
1067	more->remove ();	1102	more->remove ();
1068		1103
1069	/*	1104	/*
1070	* In this case, the object to be removed is in someones	1105	* In this case, the object to be removed is in someones
1071	* inventory.	1106	* inventory.
1072	*/	1107	*/
1073	if (env)	1108	if (env)
1074	{	1109	{
		1110	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
		1111	if (object *pl = visible_to ())
		1112	esrv_del_item (pl->contr, count);
		1113	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1114
1075	adjust_weight (env, -total_weight ());	1115	adjust_weight (env, total_weight (), 0);
1076		1116
1077	*(above ? &above->below : &env->inv) = below;	1117	object *pl = in_player ();
1078
1079	if (below)
1080	below->above = above;
1081		1118
1082	/* we set up values so that it could be inserted into	1119	/* we set up values so that it could be inserted into
1083	* the map, but we don't actually do that - it is up	1120	* the map, but we don't actually do that - it is up
1084	* to the caller to decide what we want to do.	1121	* to the caller to decide what we want to do.
1085	*/	1122	*/
1086	map = env->map;	1123	map = env->map;
1087	x = env->x;	1124	x = env->x;
1088	y = env->y;	1125	y = env->y;
		1126
		1127	// make sure cmov optimisation is applicable
		1128	*(above ? &above->below : &env->inv) = below;
		1129	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1130
1089	above = 0;	1131	above = 0;
1090	below = 0;	1132	below = 0;
1091	env = 0;	1133	env = 0;
1092		1134
1093	/* NO_FIX_PLAYER is set when a great many changes are being	1135	if (pl && pl->is_player ())
1094	* made to players inventory. If set, avoiding the call
1095	* to save cpu time.
1096	*/	1136	{
1097	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1137	if (ecb_expect_false (pl->contr->combat_ob == this))
1098	otmp->update_stats ();	1138	{
		1139	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1140	pl->contr->combat_ob = 0;
		1141	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1142	}
		1143
		1144	if (ecb_expect_false (pl->contr->ranged_ob == this))
		1145	{
		1146	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1147	pl->contr->ranged_ob = 0;
		1148	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1149	}
		1150
		1151	pl->contr->queue_stats_update ();
		1152
		1153	if (ecb_expect_false (glow_radius) && pl->is_on_map ())
		1154	update_all_los (pl->map, pl->x, pl->y);
		1155	}
1099	}	1156	}
1100	else if (map)	1157	else if (map)
1101	{	1158	{
1102	if (type == PLAYER)
1103	{
1104	// leaving a spot always closes any open container on the ground
1105	if (container && !container->env)
1106	// this causes spurious floorbox updates, but it ensures
1107	// that the CLOSE event is being sent.
1108	close_container ();
1109
1110	--map->players;
1111	map->touch ();
1112	}
1113
1114	map->dirty = true;	1159	map->dirty = true;
1115	mapspace &ms = this->ms ();	1160	mapspace &ms = this->ms ();
1116		1161
		1162	if (object *pl = ms.player ())
		1163	{
		1164	if (is_player ())
		1165	{
		1166	if (!flag [FLAG_WIZPASS])
		1167	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1168
		1169	// leaving a spot always closes any open container on the ground
		1170	if (container && !container->env)
		1171	// this causes spurious floorbox updates, but it ensures
		1172	// that the CLOSE event is being sent.
		1173	close_container ();
		1174
		1175	--map->players;
		1176	map->touch ();
		1177	}
		1178	else if (pl->container_ () == this)
		1179	{
		1180	// removing a container should close it
		1181	close_container ();
		1182	}
		1183	else
		1184	esrv_del_item (pl->contr, count);
		1185	}
		1186
1117	/* link the object above us */	1187	/* link the object above us */
1118	if (above)	1188	// re-link, make sure compiler can easily use cmove
1119	above->below = below;	1189	*(above ? &above->below : &ms.top) = below;
1120	else	1190	*(below ? &below->above : &ms.bot) = above;
1121	ms.top = below; /* we were top, set new top */
1122
1123	/* Relink the object below us, if there is one */
1124	if (below)
1125	below->above = above;
1126	else
1127	{
1128	/* Nothing below, which means we need to relink map object for this space
1129	* use translated coordinates in case some oddness with map tiling is
1130	* evident
1131	*/
1132	if (GET_MAP_OB (map, x, y) != this)
1133	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1134
1135	ms.bot = above; /* goes on above it. */
1136	}
1137		1191
1138	above = 0;	1192	above = 0;
1139	below = 0;	1193	below = 0;
1140		1194
1141	if (map->in_memory == MAP_SAVING)	1195	ms.invalidate ();
1142	return;
1143		1196
1144	int check_walk_off = !flag [FLAG_NO_APPLY];	1197	int check_walk_off = !flag [FLAG_NO_APPLY];
1145		1198
1146	if (object *pl = ms.player ())	1199	if (object *pl = ms.player ())
1147	{	1200	{
1148	if (pl->container == this)	1201	if (pl->container_ () == this)
1149	/* If a container that the player is currently using somehow gets	1202	/* If a container that the player is currently using somehow gets
1150	* removed (most likely destroyed), update the player view	1203	* removed (most likely destroyed), update the player view
1151	* appropriately.	1204	* appropriately.
1152	*/	1205	*/
1153	pl->close_container ();	1206	pl->close_container ();
1154		1207
		1208	//TODO: the floorbox prev/next might need updating
		1209	//esrv_del_item (pl->contr, count);
		1210	//TODO: update floorbox to preserve ordering
		1211	if (pl->contr->ns)
1155	pl->contr->ns->floorbox_update ();	1212	pl->contr->ns->floorbox_update ();
1156	}	1213	}
1157		1214
		1215	if (check_walk_off)
1158	for (tmp = ms.bot; tmp; tmp = tmp->above)	1216	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1159	{	1217	{
		1218	above = tmp->above;
		1219
1160	/* No point updating the players look faces if he is the object	1220	/* No point updating the players look faces if he is the object
1161	* being removed.	1221	* being removed.
1162	*/	1222	*/
1163		1223
1164	/* See if object moving off should effect something */	1224	/* See if object moving off should effect something */
1165	if (check_walk_off
1166	&& ((move_type & tmp->move_off)	1225	if ((move_type & tmp->move_off)
1167	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1226	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1168	{
1169	move_apply (tmp, this, 0);	1227	move_apply (tmp, this, 0);
1170
1171	if (destroyed ())
1172	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1173	}	1228	}
1174		1229
1175	last = tmp;	1230	if (affects_los ())
1176	}
1177
1178	/* last == NULL if there are no objects on this space */
1179	//TODO: this makes little sense, why only update the topmost object?
1180	if (!last)
1181	map->at (x, y).flags_ = 0;
1182	else
1183	update_object (last, UP_OBJ_REMOVE);
1184
1185	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1186	update_all_los (map, x, y);	1231	update_all_los (map, x, y);
1187	}	1232	}
1188	}	1233	}
1189		1234
1190	/*	1235	/*
…		…
1214	esrv_update_item (UPD_NROF, pl, top);	1259	esrv_update_item (UPD_NROF, pl, top);
1215		1260
1216	op->weight = 0; // cancel the addition above	1261	op->weight = 0; // cancel the addition above
1217	op->carrying = 0; // must be 0 already	1262	op->carrying = 0; // must be 0 already
1218		1263
1219	op->destroy (1);	1264	op->destroy ();
1220		1265
1221	return top;	1266	return top;
1222	}	1267	}
1223		1268
1224	return 0;	1269	return 0;
…		…
1232		1277
1233	object *prev = this;	1278	object *prev = this;
1234		1279
1235	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1280	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1236	{	1281	{
1237	object *op = arch_to_object (at);	1282	object *op = at->instance ();
1238		1283
1239	op->name = name;	1284	op->name = name;
1240	op->name_pl = name_pl;	1285	op->name_pl = name_pl;
1241	op->title = title;	1286	op->title = title;
1242		1287
…		…
1252	* job preparing multi-part monsters.	1297	* job preparing multi-part monsters.
1253	*/	1298	*/
1254	object *	1299	object *
1255	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1300	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1256	{	1301	{
		1302	op->remove ();
		1303
1257	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1304	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1258	{	1305	{
1259	tmp->x = x + tmp->arch->x;	1306	tmp->x = x + tmp->arch->x;
1260	tmp->y = y + tmp->arch->y;	1307	tmp->y = y + tmp->arch->y;
1261	}	1308	}
…		…
1278	* Passing 0 for flag gives proper default values, so flag really only needs	1325	* Passing 0 for flag gives proper default values, so flag really only needs
1279	* to be set if special handling is needed.	1326	* to be set if special handling is needed.
1280	*	1327	*
1281	* Return value:	1328	* Return value:
1282	* new object if 'op' was merged with other object	1329	* new object if 'op' was merged with other object
1283	* NULL if 'op' was destroyed	1330	* NULL if there was an error (destroyed, blocked etc.)
1284	* just 'op' otherwise	1331	* just 'op' otherwise
1285	*/	1332	*/
1286	object *	1333	object *
1287	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1334	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1288	{	1335	{
1289	assert (!op->flag [FLAG_FREED]);
1290
1291	object *top, *floor = NULL;
1292
1293	op->remove ();	1336	op->remove ();
		1337
		1338	if (m == &freed_map)//D TODO: remove soon
		1339	{//D
		1340	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
		1341	}//D
1294		1342
1295	/* Ideally, the caller figures this out. However, it complicates a lot	1343	/* Ideally, the caller figures this out. However, it complicates a lot
1296	* of areas of callers (eg, anything that uses find_free_spot would now	1344	* of areas of callers (eg, anything that uses find_free_spot would now
1297	* need extra work	1345	* need extra work
1298	*/	1346	*/
		1347	maptile *newmap = m;
1299	if (!xy_normalise (m, op->x, op->y))	1348	if (!xy_normalise (newmap, op->x, op->y))
1300	{	1349	{
1301	op->destroy ();	1350	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1302	return 0;	1351	return 0;
1303	}	1352	}
1304		1353
1305	if (object *more = op->more)	1354	if (object *more = op->more)
1306	if (!insert_ob_in_map (more, m, originator, flag))	1355	if (!insert_ob_in_map (more, m, originator, flag))
1307	return 0;	1356	return 0;
1308		1357
1309	CLEAR_FLAG (op, FLAG_REMOVED);	1358	op->flag [FLAG_REMOVED] = false;
1310		1359	op->env = 0;
1311	op->map = m;	1360	op->map = newmap;
		1361
1312	mapspace &ms = op->ms ();	1362	mapspace &ms = op->ms ();
1313		1363
1314	/* this has to be done after we translate the coordinates.	1364	/* this has to be done after we translate the coordinates.
1315	*/	1365	*/
1316	if (op->nrof && !(flag & INS_NO_MERGE))	1366	if (op->nrof && !(flag & INS_NO_MERGE))
1317	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1367	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1318	if (object::can_merge (op, tmp))	1368	if (object::can_merge (op, tmp))
1319	{	1369	{
		1370	// TODO: we actually want to update tmp, not op,
		1371	// but some caller surely breaks when we return tmp
		1372	// from here :/
1320	op->nrof += tmp->nrof;	1373	op->nrof += tmp->nrof;
1321	tmp->destroy (1);	1374	tmp->destroy ();
1322	}	1375	}
1323		1376
1324	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1377	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1325	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1378	op->clr_flag (FLAG_INV_LOCKED);
1326		1379
1327	if (!QUERY_FLAG (op, FLAG_ALIVE))	1380	if (!op->flag [FLAG_ALIVE])
1328	CLEAR_FLAG (op, FLAG_NO_STEAL);	1381	op->clr_flag (FLAG_NO_STEAL);
1329		1382
1330	if (flag & INS_BELOW_ORIGINATOR)	1383	if (flag & INS_BELOW_ORIGINATOR)
1331	{	1384	{
1332	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1385	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1333	{	1386	{
1334	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1387	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1335	abort ();	1388	abort ();
1336	}	1389	}
1337		1390
		1391	if (!originator->is_on_map ())
		1392	{
		1393	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1394	op->debug_desc (), originator->debug_desc ());
		1395	abort ();
		1396	}
		1397
1338	op->above = originator;	1398	op->above = originator;
1339	op->below = originator->below;	1399	op->below = originator->below;
1340
1341	if (op->below)
1342	op->below->above = op;
1343	else
1344	ms.bot = op;
1345
1346	/* since *below* originator, no need to update top */
1347	originator->below = op;	1400	originator->below = op;
		1401
		1402	*(op->below ? &op->below->above : &ms.bot) = op;
1348	}	1403	}
1349	else	1404	else
1350	{	1405	{
1351	top = ms.bot;	1406	object *floor = 0;
		1407	object *top = ms.top;
1352		1408
1353	/* If there are other objects, then */	1409	/* If there are other objects, then */
1354	if (top)	1410	if (top)
1355	{	1411	{
1356	object *last = 0;
1357
1358	/*	1412	/*
1359	* If there are multiple objects on this space, we do some trickier handling.	1413	* If there are multiple objects on this space, we do some trickier handling.
1360	* We've already dealt with merging if appropriate.	1414	* We've already dealt with merging if appropriate.
1361	* Generally, we want to put the new object on top. But if	1415	* Generally, we want to put the new object on top. But if
1362	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1416	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1363	* floor, we want to insert above that and no further.	1417	* floor, we want to insert above that and no further.
1364	* Also, if there are spell objects on this space, we stop processing	1418	* Also, if there are spell objects on this space, we stop processing
1365	* once we get to them. This reduces the need to traverse over all of	1419	* once we get to them. This reduces the need to traverse over all of
1366	* them when adding another one - this saves quite a bit of cpu time	1420	* them when adding another one - this saves quite a bit of cpu time
1367	* when lots of spells are cast in one area. Currently, it is presumed	1421	* when lots of spells are cast in one area. Currently, it is presumed
1368	* that flying non pickable objects are spell objects.	1422	* that flying non pickable objects are spell objects.
1369	*/	1423	*/
1370	for (top = ms.bot; top; top = top->above)	1424	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1371	{	1425	{
1372	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1426	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1373	floor = top;	1427	floor = tmp;
1374		1428
1375	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1429	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1376	{	1430	{
1377	/* We insert above top, so we want this object below this */	1431	/* We insert above top, so we want this object below this */
1378	top = top->below;	1432	top = tmp->below;
1379	break;	1433	break;
1380	}	1434	}
1381		1435
1382	last = top;	1436	top = tmp;
1383	}	1437	}
1384
1385	/* Don't want top to be NULL, so set it to the last valid object */
1386	top = last;
1387		1438
1388	/* We let update_position deal with figuring out what the space	1439	/* We let update_position deal with figuring out what the space
1389	* looks like instead of lots of conditions here.	1440	* looks like instead of lots of conditions here.
1390	* makes things faster, and effectively the same result.	1441	* makes things faster, and effectively the same result.
1391	*/	1442	*/
…		…
1398	*/	1449	*/
1399	if (!(flag & INS_ON_TOP)	1450	if (!(flag & INS_ON_TOP)
1400	&& ms.flags () & P_BLOCKSVIEW	1451	&& ms.flags () & P_BLOCKSVIEW
1401	&& (op->face && !faces [op->face].visibility))	1452	&& (op->face && !faces [op->face].visibility))
1402	{	1453	{
		1454	object *last;
		1455
1403	for (last = top; last != floor; last = last->below)	1456	for (last = top; last != floor; last = last->below)
1404	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1457	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1405	break;	1458	break;
1406		1459
1407	/* Check to see if we found the object that blocks view,	1460	/* Check to see if we found the object that blocks view,
1408	* and make sure we have a below pointer for it so that	1461	* and make sure we have a below pointer for it so that
1409	* we can get inserted below this one, which requires we	1462	* we can get inserted below this one, which requires we
…		…
1415	} /* If objects on this space */	1468	} /* If objects on this space */
1416		1469
1417	if (flag & INS_ABOVE_FLOOR_ONLY)	1470	if (flag & INS_ABOVE_FLOOR_ONLY)
1418	top = floor;	1471	top = floor;
1419		1472
1420	/* Top is the object that our object (op) is going to get inserted above.	1473	// insert object above top, or bottom-most if top = 0
1421	*/
1422
1423	/* First object on this space */
1424	if (!top)	1474	if (!top)
1425	{	1475	{
		1476	op->below = 0;
1426	op->above = ms.bot;	1477	op->above = ms.bot;
1427
1428	if (op->above)
1429	op->above->below = op;
1430
1431	op->below = 0;
1432	ms.bot = op;	1478	ms.bot = op;
		1479
		1480	*(op->above ? &op->above->below : &ms.top) = op;
1433	}	1481	}
1434	else	1482	else
1435	{ /* get inserted into the stack above top */	1483	{
1436	op->above = top->above;	1484	op->above = top->above;
1437
1438	if (op->above)
1439	op->above->below = op;	1485	top->above = op;
1440		1486
1441	op->below = top;	1487	op->below = top;
1442	top->above = op;	1488	*(op->above ? &op->above->below : &ms.top) = op;
1443	}	1489	}
		1490	}
1444		1491
1445	if (!op->above)	1492	if (op->is_player ())
1446	ms.top = op;
1447	} /* else not INS_BELOW_ORIGINATOR */
1448
1449	if (op->type == PLAYER)
1450	{	1493	{
1451	op->contr->do_los = 1;	1494	op->contr->do_los = 1;
1452	++op->map->players;	1495	++op->map->players;
1453	op->map->touch ();	1496	op->map->touch ();
1454	}	1497	}
1455		1498
1456	op->map->dirty = true;	1499	op->map->dirty = true;
1457		1500
1458	if (object *pl = ms.player ())	1501	if (object *pl = ms.player ())
		1502	//TODO: the floorbox prev/next might need updating
		1503	//esrv_send_item (pl, op);
		1504	//TODO: update floorbox to preserve ordering
		1505	if (pl->contr->ns)
1459	pl->contr->ns->floorbox_update ();	1506	pl->contr->ns->floorbox_update ();
1460		1507
1461	/* If this object glows, it may affect lighting conditions that are	1508	/* If this object glows, it may affect lighting conditions that are
1462	* visible to others on this map. But update_all_los is really	1509	* visible to others on this map. But update_all_los is really
1463	* an inefficient way to do this, as it means los for all players	1510	* an inefficient way to do this, as it means los for all players
1464	* on the map will get recalculated. The players could very well	1511	* on the map will get recalculated. The players could very well
1465	* be far away from this change and not affected in any way -	1512	* be far away from this change and not affected in any way -
1466	* this should get redone to only look for players within range,	1513	* this should get redone to only look for players within range,
1467	* or just updating the P_UPTODATE for spaces within this area	1514	* or just updating the P_UPTODATE for spaces within this area
1468	* of effect may be sufficient.	1515	* of effect may be sufficient.
1469	*/	1516	*/
1470	if (op->map->darkness && (op->glow_radius != 0))	1517	if (op->affects_los ())
		1518	{
		1519	op->ms ().invalidate ();
1471	update_all_los (op->map, op->x, op->y);	1520	update_all_los (op->map, op->x, op->y);
		1521	}
1472		1522
1473	/* updates flags (blocked, alive, no magic, etc) for this map space */	1523	/* updates flags (blocked, alive, no magic, etc) for this map space */
1474	update_object (op, UP_OBJ_INSERT);	1524	update_object (op, UP_OBJ_INSERT);
1475		1525
1476	INVOKE_OBJECT (INSERT, op);	1526	INVOKE_OBJECT (INSERT, op);
…		…
1483	* blocked() and wall() work properly), and these flags are updated by	1533	* blocked() and wall() work properly), and these flags are updated by
1484	* update_object().	1534	* update_object().
1485	*/	1535	*/
1486		1536
1487	/* if this is not the head or flag has been passed, don't check walk on status */	1537	/* if this is not the head or flag has been passed, don't check walk on status */
1488	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1538	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1489	{	1539	{
1490	if (check_move_on (op, originator))	1540	if (check_move_on (op, originator, flag))
1491	return 0;	1541	return 0;
1492		1542
1493	/* If we are a multi part object, lets work our way through the check	1543	/* If we are a multi part object, let's work our way through the check
1494	* walk on's.	1544	* walk on's.
1495	*/	1545	*/
1496	for (object *tmp = op->more; tmp; tmp = tmp->more)	1546	for (object *tmp = op->more; tmp; tmp = tmp->more)
1497	if (check_move_on (tmp, originator))	1547	if (check_move_on (tmp, originator, flag))
1498	return 0;	1548	return 0;
1499	}	1549	}
1500		1550
1501	return op;	1551	return op;
1502	}	1552	}
1503		1553
1504	/* this function inserts an object in the map, but if it	1554	/* this function inserts an object in the map, but if it
1505	* finds an object of its own type, it'll remove that one first.	1555	* finds an object of its own type, it'll remove that one first.
1506	* op is the object to insert it under: supplies x and the map.	1556	* op is the object to insert it under: supplies x and the map.
1507	*/	1557	*/
1508	void	1558	void
1509	replace_insert_ob_in_map (const char *arch_string, object *op)	1559	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1510	{	1560	{
1511	/* first search for itself and remove any old instances */	1561	/* first search for itself and remove any old instances */
1512		1562
1513	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)	1563	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1514	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1564	if (tmp->arch->archname == archname) /* same archetype */
1515	tmp->destroy (1);	1565	tmp->destroy ();
1516		1566
1517	object *tmp = arch_to_object (archetype::find (arch_string));	1567	object *tmp = archetype::find (archname)->instance ();
1518		1568
1519	tmp->x = op->x;	1569	tmp->x = op->x;
1520	tmp->y = op->y;	1570	tmp->y = op->y;
1521		1571
1522	insert_ob_in_map (tmp, op->map, op, 0);	1572	insert_ob_in_map (tmp, op->map, op, 0);
…		…
1527	{	1577	{
1528	if (where->env)	1578	if (where->env)
1529	return where->env->insert (this);	1579	return where->env->insert (this);
1530	else	1580	else
1531	return where->map->insert (this, where->x, where->y, originator, flags);	1581	return where->map->insert (this, where->x, where->y, originator, flags);
		1582	}
		1583
		1584	// check whether we can put this into the map, respect max_volume, max_items
		1585	bool
		1586	object::can_drop_at (maptile *m, int x, int y, object *originator)
		1587	{
		1588	mapspace &ms = m->at (x, y);
		1589
		1590	int items = ms.items ();
		1591
		1592	if (!items // testing !items ensures we can drop at least one item
		1593	|| (items < m->max_items
		1594	&& ms.volume () < m->max_volume))
		1595	return true;
		1596
		1597	if (originator)
		1598	originator->failmsgf (
		1599	"No matter how hard you try, you just cannot put the %s here! H<Try to remove some items from the floor first.>",
		1600	query_name ()
		1601	);
		1602
		1603	return false;
1532	}	1604	}
1533		1605
1534	/*	1606	/*
1535	* decrease(object, number) decreases a specified number from	1607	* decrease(object, number) decreases a specified number from
1536	* the amount of an object. If the amount reaches 0, the object	1608	* the amount of an object. If the amount reaches 0, the object
…		…
1544	if (!nr)	1616	if (!nr)
1545	return true;	1617	return true;
1546		1618
1547	nr = min (nr, nrof);	1619	nr = min (nr, nrof);
1548		1620
		1621	if (nrof > nr)
		1622	{
		1623	weight_t oweight = total_weight ();
		1624
1549	nrof -= nr;	1625	nrof -= nr;
1550
1551	if (nrof)
1552	{
1553	adjust_weight (env, -weight * nr); // carrying == 0
1554		1626
1555	if (object *pl = visible_to ())	1627	if (object *pl = visible_to ())
1556	esrv_update_item (UPD_NROF, pl, this);	1628	esrv_update_item (UPD_NROF, pl, this);
1557		1629
		1630	adjust_weight (env, oweight, total_weight ());
		1631
1558	return true;	1632	return true;
1559	}	1633	}
1560	else	1634	else
1561	{	1635	{
1562	destroy (1);	1636	destroy ();
1563	return false;	1637	return false;
1564	}	1638	}
1565	}	1639	}
1566		1640
1567	/*	1641	/*
…		…
1584	}	1658	}
1585	else	1659	else
1586	{	1660	{
1587	decrease (nr);	1661	decrease (nr);
1588		1662
1589	object *op = object_create_clone (this);	1663	object *op = deep_clone ();
1590	op->nrof = nr;	1664	op->nrof = nr;
1591	return op;	1665	return op;
1592	}	1666	}
1593	}	1667	}
1594		1668
…		…
1615	/*	1689	/*
1616	* env->insert (op)	1690	* env->insert (op)
1617	* This function inserts the object op in the linked list	1691	* This function inserts the object op in the linked list
1618	* inside the object environment.	1692	* inside the object environment.
1619	*	1693	*
1620	* The function returns now pointer to inserted item, and return value can	1694	* The function returns now pointer to inserted item, and return value can
1621	* be != op, if items are merged. -Tero	1695	* be != op, if items are merged. -Tero
1622	*/	1696	*/
1623	object *	1697	object *
1624	object::insert (object *op)	1698	object::insert (object *op)
1625	{	1699	{
…		…
1636	if (op->nrof)	1710	if (op->nrof)
1637	for (object *tmp = inv; tmp; tmp = tmp->below)	1711	for (object *tmp = inv; tmp; tmp = tmp->below)
1638	if (object::can_merge (tmp, op))	1712	if (object::can_merge (tmp, op))
1639	{	1713	{
1640	/* return the original object and remove inserted object	1714	/* return the original object and remove inserted object
1641	(client needs the original object) */	1715	(client prefers the original object) */
		1716
		1717	// carrying must be 0 for mergable objects
		1718	weight_t oweight = weight_t (tmp->weight) * tmp->nrof;
		1719
1642	tmp->nrof += op->nrof;	1720	tmp->nrof += op->nrof;
1643		1721
1644	if (object *pl = tmp->visible_to ())	1722	if (object *pl = tmp->visible_to ())
1645	esrv_update_item (UPD_NROF, pl, tmp);	1723	esrv_update_item (UPD_NROF, pl, tmp);
1646		1724
1647	adjust_weight (this, op->total_weight ());	1725	adjust_weight (this, oweight, weight_t (tmp->weight) * tmp->nrof);
1648		1726
1649	op->destroy (1);	1727	op->destroy ();
1650	op = tmp;	1728	op = tmp;
1651	goto inserted;	1729	goto inserted;
1652	}	1730	}
1653		1731
1654	op->owner = 0; // it's his/hers now. period.	1732	op->owner = 0; // it's his/hers now. period.
…		…
1668	op->flag [FLAG_REMOVED] = 0;	1746	op->flag [FLAG_REMOVED] = 0;
1669		1747
1670	if (object *pl = op->visible_to ())	1748	if (object *pl = op->visible_to ())
1671	esrv_send_item (pl, op);	1749	esrv_send_item (pl, op);
1672		1750
1673	adjust_weight (this, op->total_weight ());	1751	adjust_weight (this, 0, op->total_weight ());
1674		1752
1675	inserted:	1753	inserted:
1676	/* reset the light list and los of the players on the map */	1754	/* reset the light list and los of the players on the map */
1677	if (op->glow_radius && map && map->darkness)	1755	if (op->glow_radius && is_on_map ())
		1756	{
		1757	update_stats ();
1678	update_all_los (map, x, y);	1758	update_all_los (map, x, y);
1679		1759	}
		1760	else if (is_player ())
1680	// if this is a player's inventory, update stats	1761	// if this is a player's inventory, update stats
1681	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])	1762	contr->queue_stats_update ();
1682	update_stats ();
1683		1763
1684	INVOKE_OBJECT (INSERT, this);	1764	INVOKE_OBJECT (INSERT, this);
1685		1765
1686	return op;	1766	return op;
1687	}	1767	}
…		…
1705	* MSW 2001-07-08: Check all objects on space, not just those below	1785	* MSW 2001-07-08: Check all objects on space, not just those below
1706	* object being inserted. insert_ob_in_map may not put new objects	1786	* object being inserted. insert_ob_in_map may not put new objects
1707	* on top.	1787	* on top.
1708	*/	1788	*/
1709	int	1789	int
1710	check_move_on (object *op, object *originator)	1790	check_move_on (object *op, object *originator, int flags)
1711	{	1791	{
		1792	if (op->flag [FLAG_NO_APPLY])
		1793	return 0;
		1794
1712	object *tmp;	1795	object *tmp;
1713	maptile *m = op->map;	1796	maptile *m = op->map;
1714	int x = op->x, y = op->y;	1797	int x = op->x, y = op->y;
1715		1798
1716	MoveType move_on, move_slow, move_block;	1799	mapspace &ms = m->at (x, y);
1717		1800
1718	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1801	ms.update ();
1719	return 0;
1720		1802
1721	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1803	MoveType move_on = ms.move_on;
1722	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1804	MoveType move_slow = ms.move_slow;
1723	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1805	MoveType move_block = ms.move_block;
1724		1806
1725	/* if nothing on this space will slow op down or be applied,	1807	/* if nothing on this space will slow op down or be applied,
1726	* no need to do checking below. have to make sure move_type	1808	* no need to do checking below. have to make sure move_type
1727	* is set, as lots of objects don't have it set - we treat that	1809	* is set, as lots of objects don't have it set - we treat that
1728	* as walking.	1810	* as walking.
…		…
1737	*/	1819	*/
1738	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)	1820	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)
1739	return 0;	1821	return 0;
1740		1822
1741	/* The objects have to be checked from top to bottom.	1823	/* The objects have to be checked from top to bottom.
1742	* Hence, we first go to the top:	1824	* Hence, we first go to the top:
1743	*/	1825	*/
1744		1826	for (object *next, *tmp = ms.top; tmp; tmp = next)
1745	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1746	{
1747	/* Trim the search when we find the first other spell effect
1748	* this helps performance so that if a space has 50 spell objects,
1749	* we don't need to check all of them.
1750	*/
1751	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1752	break;
1753	}	1827	{
		1828	next = tmp->below;
1754		1829
1755	for (; tmp; tmp = tmp->below)
1756	{
1757	if (tmp == op)	1830	if (tmp == op)
1758	continue; /* Can't apply yourself */	1831	continue; /* Can't apply yourself */
1759		1832
1760	/* Check to see if one of the movement types should be slowed down.	1833	/* Check to see if one of the movement types should be slowed down.
1761	* Second check makes sure that the movement types not being slowed	1834	* Second check makes sure that the movement types not being slowed
1762	* (~slow_move) is not blocked on this space - just because the	1835	* (~slow_move) is not blocked on this space - just because the
1763	* space doesn't slow down swimming (for example), if you can't actually	1836	* space doesn't slow down swimming (for example), if you can't actually
1764	* swim on that space, can't use it to avoid the penalty.	1837	* swim on that space, can't use it to avoid the penalty.
1765	*/	1838	*/
1766	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1839	if (!op->flag [FLAG_WIZPASS])
1767	{	1840	{
1768	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1841	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1769	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1842	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1770	{	1843	{
1771
1772	float
1773	diff = tmp->move_slow_penalty * fabs (op->speed);	1844	float diff = tmp->move_slow_penalty * fabs (op->speed);
1774		1845
1775	if (op->type == PLAYER)	1846	if (op->is_player ())
1776	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1847	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1777	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1848	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1778	diff /= 4.0;	1849	diff /= 4.0;
1779		1850
1780	op->speed_left -= diff;	1851	op->speed_left -= diff;
1781	}	1852	}
1782	}	1853	}
1783		1854
1784	/* Basically same logic as above, except now for actual apply. */	1855	/* Basically same logic as above, except now for actual apply. */
1785	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1856	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1786	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1857	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1787	{	1858	{
		1859	if ((flags & INS_NO_AUTO_EXIT)
		1860	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1861	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1862	continue;
		1863
1788	move_apply (tmp, op, originator);	1864	move_apply (tmp, op, originator);
1789		1865
1790	if (op->destroyed ())	1866	if (op->destroyed ())
1791	return 1;	1867	return 1;
1792		1868
…		…
1815	LOG (llevError, "Present_arch called outside map.\n");	1891	LOG (llevError, "Present_arch called outside map.\n");
1816	return NULL;	1892	return NULL;
1817	}	1893	}
1818		1894
1819	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1895	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1820	if (tmp->arch == at)	1896	if (tmp->arch->archname == at->archname)
1821	return tmp;	1897	return tmp;
1822		1898
1823	return NULL;	1899	return NULL;
1824	}	1900	}
1825		1901
…		…
1889	* The first matching object is returned, or NULL if none.	1965	* The first matching object is returned, or NULL if none.
1890	*/	1966	*/
1891	object *	1967	object *
1892	present_arch_in_ob (const archetype *at, const object *op)	1968	present_arch_in_ob (const archetype *at, const object *op)
1893	{	1969	{
1894	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1970	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1895	if (tmp->arch == at)	1971	if (tmp->arch->archname == at->archname)
1896	return tmp;	1972	return tmp;
1897		1973
1898	return NULL;	1974	return NULL;
1899	}	1975	}
1900		1976
…		…
1904	void	1980	void
1905	flag_inv (object *op, int flag)	1981	flag_inv (object *op, int flag)
1906	{	1982	{
1907	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1983	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1908	{	1984	{
1909	SET_FLAG (tmp, flag);	1985	tmp->set_flag (flag);
1910	flag_inv (tmp, flag);	1986	flag_inv (tmp, flag);
1911	}	1987	}
1912	}	1988	}
1913		1989
1914	/*	1990	/*
…		…
1917	void	1993	void
1918	unflag_inv (object *op, int flag)	1994	unflag_inv (object *op, int flag)
1919	{	1995	{
1920	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1996	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1921	{	1997	{
1922	CLEAR_FLAG (tmp, flag);	1998	tmp->clr_flag (flag);
1923	unflag_inv (tmp, flag);	1999	unflag_inv (tmp, flag);
1924	}	2000	}
1925	}	2001	}
1926		2002
1927	/*	2003	/*
…		…
1937	* inform the caller. However, insert_ob_in_map will update as	2013	* inform the caller. However, insert_ob_in_map will update as
1938	* necessary, so the caller shouldn't need to do any special work.	2014	* necessary, so the caller shouldn't need to do any special work.
1939	* Note - updated to take an object instead of archetype - this is necessary	2015	* Note - updated to take an object instead of archetype - this is necessary
1940	* because arch_blocked (now ob_blocked) needs to know the movement type	2016	* because arch_blocked (now ob_blocked) needs to know the movement type
1941	* to know if the space in question will block the object. We can't use	2017	* to know if the space in question will block the object. We can't use
1942	* the archetype because that isn't correct if the monster has been	2018	* the archetype because that isn't correct if the monster has been
1943	* customized, changed states, etc.	2019	* customized, changed states, etc.
1944	*/	2020	*/
1945	int	2021	int
1946	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2022	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1947	{	2023	{
1948	int altern[SIZEOFFREE];	2024	int altern[SIZEOFFREE];
1949	int index = 0, flag;	2025	int index = 0;
1950		2026
1951	for (int i = start; i < stop; i++)	2027	for (int i = start; i < stop; i++)
1952	{	2028	{
1953	mapxy pos (m, x, y); pos.move (i);	2029	mapxy pos (m, x, y); pos.move (i);
1954		2030
…		…
1970	continue;	2046	continue;
1971	}	2047	}
1972		2048
1973	/* Basically, if we find a wall on a space, we cut down the search size.	2049	/* Basically, if we find a wall on a space, we cut down the search size.
1974	* In this way, we won't return spaces that are on another side of a wall.	2050	* In this way, we won't return spaces that are on another side of a wall.
1975	* This mostly work, but it cuts down the search size in all directions -	2051	* This mostly work, but it cuts down the search size in all directions -
1976	* if the space being examined only has a wall to the north and empty	2052	* if the space being examined only has a wall to the north and empty
1977	* spaces in all the other directions, this will reduce the search space	2053	* spaces in all the other directions, this will reduce the search space
1978	* to only the spaces immediately surrounding the target area, and	2054	* to only the spaces immediately surrounding the target area, and
1979	* won't look 2 spaces south of the target space.	2055	* won't look 2 spaces south of the target space.
1980	*/	2056	*/
…		…
1988	* head of the object should correspond for the entire object.	2064	* head of the object should correspond for the entire object.
1989	*/	2065	*/
1990	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2066	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
1991	continue;	2067	continue;
1992		2068
1993	if (ob->blocked (m, pos.x, pos.y))	2069	if (ob->blocked (pos.m, pos.x, pos.y))
1994	continue;	2070	continue;
1995		2071
1996	altern [index++] = i;	2072	altern [index++] = i;
1997	}	2073	}
1998		2074
…		…
2010	*/	2086	*/
2011	int	2087	int
2012	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2088	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2013	{	2089	{
2014	for (int i = 0; i < SIZEOFFREE; i++)	2090	for (int i = 0; i < SIZEOFFREE; i++)
2015	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))	2091	if (!ob->blocked (m, x + DIRX (i), y + DIRY (i)))
2016	return i;	2092	return i;
2017		2093
2018	return -1;	2094	return -1;
2019	}	2095	}
2020		2096
…		…
2031		2107
2032	while (--end)	2108	while (--end)
2033	swap (arr [end], arr [rndm (end + 1)]);	2109	swap (arr [end], arr [rndm (end + 1)]);
2034	}	2110	}
2035		2111
2036	/* new function to make monster searching more efficient, and effective!	2112	/* new function to make monster searching more efficient, and effective!
2037	* This basically returns a randomized array (in the passed pointer) of	2113	* This basically returns a randomized array (in the passed pointer) of
2038	* the spaces to find monsters. In this way, it won't always look for	2114	* the spaces to find monsters. In this way, it won't always look for
2039	* monsters to the north first. However, the size of the array passed	2115	* monsters to the north first. However, the size of the array passed
2040	* covers all the spaces, so within that size, all the spaces within	2116	* covers all the spaces, so within that size, all the spaces within
2041	* the 3x3 area will be searched, just not in a predictable order.	2117	* the 3x3 area will be searched, just not in a predictable order.
…		…
2066	* there is capable of.	2142	* there is capable of.
2067	*/	2143	*/
2068	int	2144	int
2069	find_dir (maptile *m, int x, int y, object *exclude)	2145	find_dir (maptile *m, int x, int y, object *exclude)
2070	{	2146	{
2071	int i, max = SIZEOFFREE, mflags;	2147	int max = SIZEOFFREE;
2072
2073	sint16 nx, ny;
2074	object *tmp;
2075	maptile *mp;
2076
2077	MoveType blocked, move_type;	2148	MoveType move_type;
2078		2149
2079	if (exclude && exclude->head_ () != exclude)	2150	if (exclude && exclude->head_ () != exclude)
2080	{	2151	{
2081	exclude = exclude->head;	2152	exclude = exclude->head;
2082	move_type = exclude->move_type;	2153	move_type = exclude->move_type;
…		…
2085	{	2156	{
2086	/* If we don't have anything, presume it can use all movement types. */	2157	/* If we don't have anything, presume it can use all movement types. */
2087	move_type = MOVE_ALL;	2158	move_type = MOVE_ALL;
2088	}	2159	}
2089		2160
2090	for (i = 1; i < max; i++)	2161	for (int i = 1; i < max; i++)
2091	{	2162	{
2092	mp = m;	2163	mapxy pos (m, x, y);
2093	nx = x + freearr_x[i];	2164	pos.move (i);
2094	ny = y + freearr_y[i];
2095		2165
2096	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2166	if (!pos.normalise ())
2097
2098	if (mflags & P_OUT_OF_MAP)
2099	max = maxfree[i];	2167	max = maxfree[i];
2100	else	2168	else
2101	{	2169	{
2102	mapspace &ms = mp->at (nx, ny);	2170	mapspace &ms = *pos;
2103		2171
2104	blocked = ms.move_block;
2105
2106	if ((move_type & blocked) == move_type)	2172	if ((move_type & ms.move_block) == move_type)
2107	max = maxfree[i];	2173	max = maxfree [i];
2108	else if (mflags & P_IS_ALIVE)	2174	else if (ms.flags () & P_IS_ALIVE)
2109	{	2175	{
2110	for (tmp = ms.bot; tmp; tmp = tmp->above)	2176	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2111	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2177	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2112	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2178	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2113	break;
2114
2115	if (tmp)
2116	return freedir[i];	2179	return freedir [i];
2117	}	2180	}
2118	}	2181	}
2119	}	2182	}
2120		2183
2121	return 0;	2184	return 0;
…		…
2130	{	2193	{
2131	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2194	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2132	}	2195	}
2133		2196
2134	/*	2197	/*
2135	* find_dir_2(delta-x,delta-y) will return a direction in which	2198	* find_dir_2(delta-x,delta-y) will return a direction value
2136	* an object which has subtracted the x and y coordinates of another	2199	* for running into direct [dx, dy].
2137	* object, needs to travel toward it.	2200	* (the opposite of crossfire's find_dir_2!)
2138	*/	2201	*/
2139	int	2202	int
2140	find_dir_2 (int x, int y)	2203	find_dir_2 (int x, int y)
2141	{	2204	{
		2205	#if 1 // new algorithm
		2206	// this works by putting x, y into 16 sectors, which
		2207	// are not equal sized, but are a better approximation
		2208	// then the old algorithm, and then using a mapping
		2209	// table to map it into a direction value.
		2210	// basically, it maps these comparisons to each bit
		2211	// bit #3: x < 0
		2212	// bit #2: y < 0
		2213	// bit #1: x > y
		2214	// bit #0: x > 2y
		2215
		2216	static const uint8 dir[16] = {
		2217	4, 5, 4, 3,
		2218	2, 1, 2, 3,
		2219	6, 5, 6, 7,
		2220	8, 1, 8, 7,
		2221	};
		2222	int sector = 0;
		2223
		2224	// this is a bit ugly, but more likely to result in branchless code
		2225	sector |= x < 0 ? 8 : 0;
		2226	x = x < 0 ? -x : x; // abs
		2227
		2228	sector |= y < 0 ? 4 : 0;
		2229	y = y < 0 ? -y : y; // abs
		2230
		2231	if (x > y)
		2232	{
		2233	sector |= 2;
		2234
		2235	if (x > y * 2)
		2236	sector |= 1;
		2237	}
		2238	else
		2239	{
		2240	if (y > x * 2)
		2241	sector |= 1;
		2242	else if (!y)
		2243	return 0; // x == 0 here
		2244	}
		2245
		2246	return dir [sector];
		2247	#else // old algorithm
2142	int q;	2248	int q;
2143		2249
2144	if (y)	2250	if (y)
2145	q = x * 100 / y;	2251	q = 128 * x / y;
2146	else if (x)	2252	else if (x)
2147	q = -300 * x;	2253	q = -512 * x; // to make it > 309
2148	else	2254	else
2149	return 0;	2255	return 0;
2150		2256
2151	if (y > 0)	2257	if (y > 0)
2152	{	2258	{
2153	if (q < -242)	2259	if (q < -309) return 7;
		2260	if (q < -52) return 6;
		2261	if (q < 52) return 5;
		2262	if (q < 309) return 4;
		2263
2154	return 3;	2264	return 3;
2155	if (q < -41)	2265	}
2156	return 2;	2266	else
2157	if (q < 41)	2267	{
2158	return 1;	2268	if (q < -309) return 3;
2159	if (q < 242)	2269	if (q < -52) return 2;
2160	return 8;	2270	if (q < 52) return 1;
		2271	if (q < 309) return 8;
		2272
2161	return 7;	2273	return 7;
2162	}	2274	}
2163		2275	#endif
2164	if (q < -242)
2165	return 7;
2166	if (q < -41)
2167	return 6;
2168	if (q < 41)
2169	return 5;
2170	if (q < 242)
2171	return 4;
2172
2173	return 3;
2174	}	2276	}
2175		2277
2176	/*	2278	/*
2177	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2279	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2178	* between two directions (which are expected to be absolute (see absdir())	2280	* between two directions (which are expected to be absolute (see absdir())
2179	*/	2281	*/
2180	int	2282	int
2181	dirdiff (int dir1, int dir2)	2283	dirdiff (int dir1, int dir2)
2182	{	2284	{
2183	int d;
2184
2185	d = abs (dir1 - dir2);	2285	int d = abs (dir1 - dir2);
2186	if (d > 4)
2187	d = 8 - d;
2188		2286
2189	return d;	2287	return d > 4 ? 8 - d : d;
2190	}	2288	}
2191		2289
2192	/* peterm:	2290	/* peterm:
2193	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2291	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2194	* Basically, this is a table of directions, and what directions	2292	* Basically, this is a table of directions, and what directions
…		…
2196	* This basically means that if direction is 15, then it could either go	2294	* This basically means that if direction is 15, then it could either go
2197	* direction 4, 14, or 16 to get back to where we are.	2295	* direction 4, 14, or 16 to get back to where we are.
2198	* Moved from spell_util.c to object.c with the other related direction	2296	* Moved from spell_util.c to object.c with the other related direction
2199	* functions.	2297	* functions.
2200	*/	2298	*/
2201	int reduction_dir[SIZEOFFREE][3] = {	2299	static const int reduction_dir[SIZEOFFREE][3] = {
2202	{0, 0, 0}, /* 0 */	2300	{0, 0, 0}, /* 0 */
2203	{0, 0, 0}, /* 1 */	2301	{0, 0, 0}, /* 1 */
2204	{0, 0, 0}, /* 2 */	2302	{0, 0, 0}, /* 2 */
2205	{0, 0, 0}, /* 3 */	2303	{0, 0, 0}, /* 3 */
2206	{0, 0, 0}, /* 4 */	2304	{0, 0, 0}, /* 4 */
…		…
2263	int mflags;	2361	int mflags;
2264		2362
2265	if (dir < 0)	2363	if (dir < 0)
2266	return 0; /* exit condition: invalid direction */	2364	return 0; /* exit condition: invalid direction */
2267		2365
2268	dx = x + freearr_x[dir];	2366	dx = x + DIRX (dir);
2269	dy = y + freearr_y[dir];	2367	dy = y + DIRY (dir);
2270		2368
2271	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);	2369	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);
2272		2370
2273	/* This functional arguably was incorrect before - it was	2371	/* This functional arguably was incorrect before - it was
2274	* checking for P_WALL - that was basically seeing if	2372	* checking for P_WALL - that was basically seeing if
…		…
2300	* Add a check so we can't pick up invisible objects (0.93.8)	2398	* Add a check so we can't pick up invisible objects (0.93.8)
2301	*/	2399	*/
2302	int	2400	int
2303	can_pick (const object *who, const object *item)	2401	can_pick (const object *who, const object *item)
2304	{	2402	{
2305	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2403	return /*who->flag [FLAG_WIZ]|| */
2306	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2404	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2307	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2405	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2308	}	2406	}
		2407
		2408	//-GPL
2309		2409
2310	/*	2410	/*
2311	* create clone from object to another	2411	* create clone from object to another
2312	*/	2412	*/
2313	object *	2413	object *
2314	object_create_clone (object *asrc)	2414	object::deep_clone ()
2315	{	2415	{
2316	object *dst = 0, *tmp, *src, *prev, *item;	2416	assert (("deep_clone called on non-head object", is_head ()));
2317		2417
2318	if (!asrc)	2418	object *dst = clone ();
2319	return 0;
2320		2419
2321	src = asrc->head_ ();	2420	object *prev = dst;
2322
2323	prev = 0;
2324	for (object *part = src; part; part = part->more)	2421	for (object *part = this->more; part; part = part->more)
2325	{	2422	{
2326	tmp = part->clone ();	2423	object *tmp = part->clone ();
2327	tmp->x -= src->x;
2328	tmp->y -= src->y;
2329
2330	if (!part->head)
2331	{
2332	dst = tmp;
2333	tmp->head = 0;
2334	}
2335	else
2336	tmp->head = dst;	2424	tmp->head = dst;
2337
2338	tmp->more = 0;
2339
2340	if (prev)
2341	prev->more = tmp;	2425	prev->more = tmp;
2342
2343	prev = tmp;	2426	prev = tmp;
2344	}	2427	}
2345		2428
2346	for (item = src->inv; item; item = item->below)	2429	for (object *item = inv; item; item = item->below)
2347	insert_ob_in_ob (object_create_clone (item), dst);	2430	insert_ob_in_ob (item->deep_clone (), dst);
2348		2431
2349	return dst;	2432	return dst;
2350	}	2433	}
2351		2434
2352	/* This returns the first object in who's inventory that	2435	/* This returns the first object in who's inventory that
…		…
2361	return tmp;	2444	return tmp;
2362		2445
2363	return 0;	2446	return 0;
2364	}	2447	}
2365		2448
2366	/* If ob has a field named key, return the link from the list,	2449	/* Zero the key_values on op, decrementing the shared-string
2367	* otherwise return NULL.	2450	* refcounts and freeing the links.
2368	*	2451	*/
2369	* key must be a passed in shared string - otherwise, this won't	2452	void
2370	* do the desired thing.	2453	key_values::clear ()
2371	*/
2372	key_value *
2373	get_ob_key_link (const object *ob, const char *key)
2374	{	2454	{
2375	for (key_value *link = ob->key_values; link; link = link->next)	2455	for (key_value *kvp = first; kvp; )
		2456	{
		2457	key_value *next = kvp->next;
		2458	delete kvp;
		2459	kvp = next;
		2460	}
		2461
		2462	first = 0;
		2463	}
		2464
		2465	shstr_tmp
		2466	key_values::get (shstr_tmp key) const
		2467	{
		2468	for (key_value *kv = first; kv; kv = kv->next)
2376	if (link->key == key)	2469	if (kv->key == key)
2377	return link;
2378
2379	return 0;
2380	}
2381
2382	/*
2383	* Returns the value of op has an extra_field for key, or NULL.
2384	*
2385	* The argument doesn't need to be a shared string.
2386	*
2387	* The returned string is shared.
2388	*/
2389	const char *
2390	get_ob_key_value (const object *op, const char *const key)
2391	{
2392	key_value *link;
2393	shstr_cmp canonical_key (key);
2394
2395	if (!canonical_key)
2396	{
2397	/* 1. There being a field named key on any object
2398	* implies there'd be a shared string to find.
2399	* 2. Since there isn't, no object has this field.
2400	* 3. Therefore, *this* object doesn't have this field.
2401	*/
2402	return 0;
2403	}
2404
2405	/* This is copied from get_ob_key_link() above -
2406	* only 4 lines, and saves the function call overhead.
2407	*/
2408	for (link = op->key_values; link; link = link->next)
2409	if (link->key == canonical_key)
2410	return link->value;	2470	return kv->value;
2411		2471
2412	return 0;	2472	return shstr ();
2413	}	2473	}
2414		2474
2415	/*	2475	void
2416	* Updates the canonical_key in op to value.	2476	key_values::add (shstr_tmp key, shstr_tmp value)
2417	*
2418	* canonical_key is a shared string (value doesn't have to be).
2419	*
2420	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2421	* keys.
2422	*
2423	* Returns TRUE on success.
2424	*/
2425	int
2426	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2427	{	2477	{
2428	key_value *field = NULL, *last = NULL;	2478	key_value *kv = new key_value;
2429		2479
2430	for (field = op->key_values; field != NULL; field = field->next)	2480	kv->next = first;
2431	{	2481	kv->key = key;
2432	if (field->key != canonical_key)	2482	kv->value = value;
		2483
		2484	first = kv;
		2485	}
		2486
		2487	void
		2488	key_values::set (shstr_tmp key, shstr_tmp value)
		2489	{
		2490	for (key_value *kv = first; kv; kv = kv->next)
		2491	if (kv->key == key)
2433	{	2492	{
2434	last = field;	2493	kv->value = value;
2435	continue;	2494	return;
2436	}	2495	}
2437		2496
2438	if (value)	2497	add (key, value);
2439	field->value = value;	2498	}
2440	else	2499
		2500	void
		2501	key_values::del (shstr_tmp key)
		2502	{
		2503	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
		2504	if ((*kvp)->key == key)
2441	{	2505	{
2442	/* Basically, if the archetype has this key set,	2506	key_value *kv = *kvp;
2443	* we need to store the null value so when we save	2507	*kvp = (*kvp)->next;
2444	* it, we save the empty value so that when we load,	2508	delete kv;
2445	* we get this value back again.	2509	return;
2446	*/
2447	if (get_ob_key_link (op->arch, canonical_key))
2448	field->value = 0;
2449	else
2450	{
2451	if (last)
2452	last->next = field->next;
2453	else
2454	op->key_values = field->next;
2455
2456	delete field;
2457	}
2458	}	2510	}
2459	return TRUE;	2511	}
		2512
		2513	void
		2514	key_values::reverse ()
		2515	{
		2516	key_value *prev = 0;
		2517	key_value *head = first;
		2518
		2519	while (head)
2460	}	2520	{
2461	/* IF we get here, key doesn't exist */	2521	key_value *node = head;
		2522	head = head->next;
		2523	node->next = prev;
		2524	prev = node;
		2525	}
2462		2526
2463	/* No field, we'll have to add it. */	2527	first = prev;
2464
2465	if (!add_key)
2466	return FALSE;
2467
2468	/* There isn't any good reason to store a null
2469	* value in the key/value list. If the archetype has
2470	* this key, then we should also have it, so shouldn't
2471	* be here. If user wants to store empty strings,
2472	* should pass in ""
2473	*/
2474	if (value == NULL)
2475	return TRUE;
2476
2477	field = new key_value;
2478
2479	field->key = canonical_key;
2480	field->value = value;
2481	/* Usual prepend-addition. */
2482	field->next = op->key_values;
2483	op->key_values = field;
2484
2485	return TRUE;
2486	}	2528	}
2487		2529
2488	/*	2530	key_values &
2489	* Updates the key in op to value.	2531	key_values::operator =(const key_values &kv)
2490	*
2491	* If add_key is FALSE, this will only update existing keys,
2492	* and not add new ones.
2493	* In general, should be little reason FALSE is ever passed in for add_key
2494	*
2495	* Returns TRUE on success.
2496	*/
2497	int
2498	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2499	{	2532	{
2500	shstr key_ (key);	2533	clear ();
2501		2534
2502	return set_ob_key_value_s (op, key_, value, add_key);	2535	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2536	add (kvp->key, kvp->value);
		2537
		2538	reverse ();
		2539
		2540	return *this;
2503	}	2541	}
2504		2542
2505	object::depth_iterator::depth_iterator (object *container)	2543	object::depth_iterator::depth_iterator (object *container)
2506	: iterator_base (container)	2544	: iterator_base (container)
2507	{	2545	{
…		…
2557	{	2595	{
2558	char flagdesc[512];	2596	char flagdesc[512];
2559	char info2[256 * 4];	2597	char info2[256 * 4];
2560	char *p = info;	2598	char *p = info;
2561		2599
2562	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",	2600	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2563	count,	2601	count,
2564	uuid.c_str (),	2602	uuid.c_str (),
2565	&name,	2603	&name,
2566	title ? "\",title:\"" : "",	2604	title ? ",title:\"" : "",
2567	title ? (const char *)title : "",	2605	title ? (const char *)title : "",
		2606	title ? "\"" : "",
2568	flag_desc (flagdesc, 512), type);	2607	flag_desc (flagdesc, 512), type);
2569		2608
2570	if (!this->flag[FLAG_REMOVED] && env)	2609	if (!flag[FLAG_REMOVED] && env)
2571	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2610	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2572		2611
2573	if (map)	2612	if (map)
2574	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2613	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2575		2614
…		…
2590	{	2629	{
2591	return map ? map->region (x, y)	2630	return map ? map->region (x, y)
2592	: region::default_region ();	2631	: region::default_region ();
2593	}	2632	}
2594		2633
2595	const materialtype_t *	2634	//+GPL
2596	object::dominant_material () const
2597	{
2598	if (materialtype_t *mt = name_to_material (materialname))
2599	return mt;
2600
2601	return name_to_material (shstr_unknown);
2602	}
2603		2635
2604	void	2636	void
2605	object::open_container (object *new_container)	2637	object::open_container (object *new_container)
2606	{	2638	{
2607	if (container == new_container)	2639	if (container == new_container)
2608	return;	2640	return;
2609		2641
2610	if (object *old_container = container)	2642	object *old_container = container;
		2643
		2644	if (old_container)
2611	{	2645	{
2612	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2646	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2613	return;	2647	return;
2614		2648
2615	#if 0	2649	#if 0
…		…
2617	if (object *closer = old_container->inv)	2651	if (object *closer = old_container->inv)
2618	if (closer->type == CLOSE_CON)	2652	if (closer->type == CLOSE_CON)
2619	closer->destroy ();	2653	closer->destroy ();
2620	#endif	2654	#endif
2621		2655
		2656	// make sure the container is available
		2657	esrv_send_item (this, old_container);
		2658
2622	old_container->flag [FLAG_APPLIED] = 0;	2659	old_container->flag [FLAG_APPLIED] = false;
2623	container = 0;	2660	container = 0;
2624		2661
		2662	// client needs item update to make it work, client bug requires this to be separate
2625	esrv_update_item (UPD_FLAGS, this, old_container);	2663	esrv_update_item (UPD_FLAGS, this, old_container);
		2664
2626	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2627	play_sound (sound_find ("chest_close"));	2666	play_sound (sound_find ("chest_close"));
2628	}	2667	}
2629		2668
2630	if (new_container)	2669	if (new_container)
2631	{	2670	{
…		…
2635	// TODO: this does not seem to serve any purpose anymore?	2674	// TODO: this does not seem to serve any purpose anymore?
2636	#if 0	2675	#if 0
2637	// insert the "Close Container" object.	2676	// insert the "Close Container" object.
2638	if (archetype *closer = new_container->other_arch)	2677	if (archetype *closer = new_container->other_arch)
2639	{	2678	{
2640	object *closer = arch_to_object (new_container->other_arch);	2679	object *closer = new_container->other_arch->instance ();
2641	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2680	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2642	new_container->insert (closer);	2681	new_container->insert (closer);
2643	}	2682	}
2644	#endif	2683	#endif
2645		2684
2646	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2685	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2647		2686
		2687	// make sure the container is available, client bug requires this to be separate
		2688	esrv_send_item (this, new_container);
		2689
2648	new_container->flag [FLAG_APPLIED] = 1;	2690	new_container->flag [FLAG_APPLIED] = true;
2649	container = new_container;	2691	container = new_container;
2650		2692
		2693	// client needs flag change
2651	esrv_update_item (UPD_FLAGS, this, new_container);	2694	esrv_update_item (UPD_FLAGS, this, new_container);
2652	esrv_send_inventory (this, new_container);	2695	esrv_send_inventory (this, new_container);
2653	play_sound (sound_find ("chest_open"));	2696	play_sound (sound_find ("chest_open"));
2654	}	2697	}
		2698	// else if (!old_container->env && contr && contr->ns)
		2699	// contr->ns->floorbox_reset ();
2655	}	2700	}
		2701
		2702	//-GPL
		2703
		2704	// prefetch some flat area around the player
		2705	static void
		2706	prefetch_surrounding_area (object *op, maptile *map, int range)
		2707	{
		2708	for (maprect *rect = map->split_to_tiles (mapwalk_buf,
		2709	op->x - range , op->y - range ,
		2710	op->x + range + 1, op->y + range + 1);
		2711	rect->m;
		2712	++rect)
		2713	{
		2714	rect->m->touch ();
		2715	rect->m->activate ();
		2716	}
		2717	}
		2718
		2719	// prefetch a generous area around the player, also up and down
		2720	void
		2721	object::prefetch_surrounding_maps ()
		2722	{
		2723	prefetch_surrounding_area (this, map, 40);
		2724
		2725	if (maptile *m = map->tile_available (TILE_DOWN))
		2726	prefetch_surrounding_area (this, m, 20);
		2727
		2728	if (maptile *m = map->tile_available (TILE_UP))
		2729	prefetch_surrounding_area (this, m, 20);
		2730	}
		2731
		2732	//+GPL
2656		2733
2657	object *	2734	object *
2658	object::force_find (const shstr name)	2735	object::force_find (shstr_tmp name)
2659	{	2736	{
2660	/* cycle through his inventory to look for the MARK we want to	2737	/* cycle through his inventory to look for the MARK we want to
2661	* place	2738	* place
2662	*/	2739	*/
2663	for (object *tmp = inv; tmp; tmp = tmp->below)	2740	for (object *tmp = inv; tmp; tmp = tmp->below)
2664	if (tmp->type == FORCE && tmp->slaying == name)	2741	if (tmp->type == FORCE && tmp->slaying == name)
2665	return splay (tmp);	2742	return splay (tmp);
2666		2743
2667	return 0;	2744	return 0;
2668	}	2745	}
2669		2746
2670	void	2747	void
		2748	object::force_set_timer (int duration)
		2749	{
		2750	this->duration = 1;
		2751	this->speed_left = -1.f;
		2752
		2753	this->set_speed (duration ? 1.f / duration : 0.f);
		2754	}
		2755
		2756	object *
2671	object::force_add (const shstr name, int duration)	2757	object::force_add (shstr_tmp name, int duration)
2672	{	2758	{
2673	if (object *force = force_find (name))	2759	if (object *force = force_find (name))
2674	force->destroy ();	2760	force->destroy ();
2675		2761
2676	object *force = get_archetype (FORCE_NAME);	2762	object *force = archetype::get (FORCE_NAME);
2677		2763
2678	force->slaying = name;	2764	force->slaying = name;
2679	force->stats.food = 1;	2765	force->force_set_timer (duration);
2680	force->speed_left = -1.f;
2681
2682	force->set_speed (duration ? 1.f / duration : 0.f);
2683	force->flag [FLAG_IS_USED_UP] = true;
2684	force->flag [FLAG_APPLIED] = true;	2766	force->flag [FLAG_APPLIED] = true;
2685		2767
2686	insert (force);	2768	return insert (force);
2687	}	2769	}
2688		2770
2689	void	2771	void
2690	object::play_sound (faceidx sound)	2772	object::play_sound (faceidx sound) const
2691	{	2773	{
2692	if (!sound)	2774	if (!sound)
2693	return;	2775	return;
2694		2776
2695	if (flag [FLAG_REMOVED])	2777	if (is_on_map ())
		2778	map->play_sound (sound, x, y);
		2779	else if (object *pl = in_player ())
		2780	pl->contr->play_sound (sound);
		2781	}
		2782
		2783	void
		2784	object::say_msg (const char *msg) const
		2785	{
		2786	if (is_on_map ())
		2787	map->say_msg (msg, x, y);
		2788	else if (object *pl = in_player ())
		2789	pl->contr->play_sound (sound);
		2790	}
		2791
		2792	void
		2793	object::make_noise ()
		2794	{
		2795	// we do not model noise in the map, so instead put
		2796	// a temporary light into the noise source
		2797	// could use the map instead, but that's less reliable for our
		2798	// goal, which is to make invisibility a bit harder to exploit
		2799
		2800	// currently only works sensibly for players
		2801	if (!is_player ())
2696	return;	2802	return;
2697		2803
2698	if (env)	2804	// find old force, or create new one
2699	{	2805	object *force = force_find (shstr_noise_force);
2700	if (object *pl = in_player ())	2806
2701	pl->contr->play_sound (sound);	2807	if (force)
2702	}	2808	force->speed_left = -1.f; // patch old speed up
2703	else	2809	else
2704	map->play_sound (sound, x, y);	2810	{
2705	}	2811	force = archetype::get (shstr_noise_force);
2706		2812
		2813	force->slaying = shstr_noise_force;
		2814	force->stats.food = 1;
		2815	force->speed_left = -1.f;
		2816
		2817	force->set_speed (1.f / 4.f);
		2818	force->flag [FLAG_IS_USED_UP] = true;
		2819	force->flag [FLAG_APPLIED] = true;
		2820
		2821	insert (force);
		2822	}
		2823	}
		2824
		2825	void object::change_move_type (MoveType mt)
		2826	{
		2827	if (move_type == mt)
		2828	return;
		2829
		2830	if (is_on_map ())
		2831	{
		2832	// we are on the map, so handle move_on/off effects
		2833	remove ();
		2834	move_type = mt;
		2835	map->insert (this, x, y, this);
		2836	}
		2837	else
		2838	move_type = mt;
		2839	}
		2840
		2841	/* object should be a player.
		2842	* we return the object the player has marked with the 'mark' command
		2843	* below. If no match is found (or object has changed), we return
		2844	* NULL. We leave it up to the calling function to print messages if
		2845	* nothing is found.
		2846	*/
		2847	object *
		2848	object::mark () const
		2849	{
		2850	if (contr && contr->mark && contr->mark->env == this)
		2851	return contr->mark;
		2852	else
		2853	return 0;
		2854	}
		2855
		2856	// put marked object first in the inventory
		2857	// this is used by identify-like spells so players can influence
		2858	// the order a bit.
		2859	void
		2860	object::splay_marked ()
		2861	{
		2862	if (object *marked = mark ())
		2863	splay (marked);
		2864	}
		2865

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